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Finding the Fourth Proportional to 461,333.97, 636,640.97 and 260,129.97

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Solution

The fourth proportional to 461,333.97, 636,640.97 and 260,129.97 is: 358,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,333.97 : 636,640.97 = 260,129.97 : x
  2. Step 2: Convert to fraction form
    461,333.97/636,640.97 = 260,129.97/x
  3. Step 3: Cross multiply
    461,333.97x = 636,640.97 × 260,129.97
  4. Step 4: Simplify right side
    461,333.97x = 165,609,396,426.87
  5. Step 5: Solve for x
    x = 165,609,396,426.87/461,333.97
  6. Step 6: Final answer
    x = 358,979.41

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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.