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Finding the Fourth Proportional to 585,091.60, 875,693.40 and 424,711.60

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Solution

The fourth proportional to 585,091.60, 875,693.40 and 424,711.60 is: 635,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,091.60 : 875,693.40 = 424,711.60 : x
  2. Step 2: Convert to fraction form
    585,091.60/875,693.40 = 424,711.60/x
  3. Step 3: Cross multiply
    585,091.60x = 875,693.40 × 424,711.60
  4. Step 4: Simplify right side
    585,091.60x = 371,917,145,023.44
  5. Step 5: Solve for x
    x = 371,917,145,023.44/585,091.60
  6. Step 6: Final answer
    x = 635,656.27

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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.