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Finding the Fourth Proportional to 650,731.40, 974,801.10 and 572,798.60

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Solution

The fourth proportional to 650,731.40, 974,801.10 and 572,798.60 is: 858,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,731.40 : 974,801.10 = 572,798.60 : x
  2. Step 2: Convert to fraction form
    650,731.40/974,801.10 = 572,798.60/x
  3. Step 3: Cross multiply
    650,731.40x = 974,801.10 × 572,798.60
  4. Step 4: Simplify right side
    650,731.40x = 558,364,705,358.46
  5. Step 5: Solve for x
    x = 558,364,705,358.46/650,731.40
  6. Step 6: Final answer
    x = 858,057.11

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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.