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Finding the Fourth Proportional to 577,374,427.80, 866,061,641.70 and 560,368,315.80

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Solution

The fourth proportional to 577,374,427.80, 866,061,641.70 and 560,368,315.80 is: 840,552,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374,427.80 : 866,061,641.70 = 560,368,315.80 : x
  2. Step 2: Convert to fraction form
    577,374,427.80/866,061,641.70 = 560,368,315.80/x
  3. Step 3: Cross multiply
    577,374,427.80x = 866,061,641.70 × 560,368,315.80
  4. Step 4: Simplify right side
    577,374,427.80x = 485,313,503,538,412,032
  5. Step 5: Solve for x
    x = 485,313,503,538,412,032/577,374,427.80
  6. Step 6: Final answer
    x = 840,552,473.70

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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.