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Finding the Fourth Proportional to 577,374,562.80, 866,061,844.20 and 560,368,450.80

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Solution

The fourth proportional to 577,374,562.80, 866,061,844.20 and 560,368,450.80 is: 840,552,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374,562.80 : 866,061,844.20 = 560,368,450.80 : x
  2. Step 2: Convert to fraction form
    577,374,562.80/866,061,844.20 = 560,368,450.80/x
  3. Step 3: Cross multiply
    577,374,562.80x = 866,061,844.20 × 560,368,450.80
  4. Step 4: Simplify right side
    577,374,562.80x = 485,313,733,931,344,960
  5. Step 5: Solve for x
    x = 485,313,733,931,344,960/577,374,562.80
  6. Step 6: Final answer
    x = 840,552,676.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.