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Finding the Fourth Proportional to 461,332.40, 636,624.28 and 270,472.91

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Solution

The fourth proportional to 461,332.40, 636,624.28 and 270,472.91 is: 373,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,332.40 : 636,624.28 = 270,472.91 : x
  2. Step 2: Convert to fraction form
    461,332.40/636,624.28 = 270,472.91/x
  3. Step 3: Cross multiply
    461,332.40x = 636,624.28 × 270,472.91
  4. Step 4: Simplify right side
    461,332.40x = 172,189,623,517.91
  5. Step 5: Solve for x
    x = 172,189,623,517.91/461,332.40
  6. Step 6: Final answer
    x = 373,244.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.