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Finding the Fourth Proportional to 653,259.60, 981,055.80 and 475,966.80

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Solution

The fourth proportional to 653,259.60, 981,055.80 and 475,966.80 is: 714,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,259.60 : 981,055.80 = 475,966.80 : x
  2. Step 2: Convert to fraction form
    653,259.60/981,055.80 = 475,966.80/x
  3. Step 3: Cross multiply
    653,259.60x = 981,055.80 × 475,966.80
  4. Step 4: Simplify right side
    653,259.60x = 466,949,989,747.44
  5. Step 5: Solve for x
    x = 466,949,989,747.44/653,259.60
  6. Step 6: Final answer
    x = 714,800.04

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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.