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Finding the Fourth Proportional to 650,404.80, 974,440.80 and 557,092.80

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Solution

The fourth proportional to 650,404.80, 974,440.80 and 557,092.80 is: 834,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,404.80 : 974,440.80 = 557,092.80 : x
  2. Step 2: Convert to fraction form
    650,404.80/974,440.80 = 557,092.80/x
  3. Step 3: Cross multiply
    650,404.80x = 974,440.80 × 557,092.80
  4. Step 4: Simplify right side
    650,404.80x = 542,853,953,706.24
  5. Step 5: Solve for x
    x = 542,853,953,706.24/650,404.80
  6. Step 6: Final answer
    x = 834,640.14

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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.