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Finding the Fourth Proportional to 651,803.90, 977,705.85 and 573,007.10

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Solution

The fourth proportional to 651,803.90, 977,705.85 and 573,007.10 is: 859,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,803.90 : 977,705.85 = 573,007.10 : x
  2. Step 2: Convert to fraction form
    651,803.90/977,705.85 = 573,007.10/x
  3. Step 3: Cross multiply
    651,803.90x = 977,705.85 × 573,007.10
  4. Step 4: Simplify right side
    651,803.90x = 560,232,393,761.54
  5. Step 5: Solve for x
    x = 560,232,393,761.54/651,803.90
  6. Step 6: Final answer
    x = 859,510.65

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Half scale
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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.