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Finding the Fourth Proportional to 585,092.60, 875,694.90 and 424,712.60

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Solution

The fourth proportional to 585,092.60, 875,694.90 and 424,712.60 is: 635,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,092.60 : 875,694.90 = 424,712.60 : x
  2. Step 2: Convert to fraction form
    585,092.60/875,694.90 = 424,712.60/x
  3. Step 3: Cross multiply
    585,092.60x = 875,694.90 × 424,712.60
  4. Step 4: Simplify right side
    585,092.60x = 371,918,657,785.74
  5. Step 5: Solve for x
    x = 371,918,657,785.74/585,092.60
  6. Step 6: Final answer
    x = 635,657.77

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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.