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Finding the Fourth Proportional to 585,090.60, 875,691.90 and 424,710.60

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Solution

The fourth proportional to 585,090.60, 875,691.90 and 424,710.60 is: 635,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,090.60 : 875,691.90 = 424,710.60 : x
  2. Step 2: Convert to fraction form
    585,090.60/875,691.90 = 424,710.60/x
  3. Step 3: Cross multiply
    585,090.60x = 875,691.90 × 424,710.60
  4. Step 4: Simplify right side
    585,090.60x = 371,915,632,264.14
  5. Step 5: Solve for x
    x = 371,915,632,264.14/585,090.60
  6. Step 6: Final answer
    x = 635,654.77

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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.