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Finding the Fourth Proportional to 454,386.57, 627,051.42 and 247,654.62

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Solution

The fourth proportional to 454,386.57, 627,051.42 and 247,654.62 is: 341,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,386.57 : 627,051.42 = 247,654.62 : x
  2. Step 2: Convert to fraction form
    454,386.57/627,051.42 = 247,654.62/x
  3. Step 3: Cross multiply
    454,386.57x = 627,051.42 × 247,654.62
  4. Step 4: Simplify right side
    454,386.57x = 155,292,181,140.56
  5. Step 5: Solve for x
    x = 155,292,181,140.56/454,386.57
  6. Step 6: Final answer
    x = 341,762.26

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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.