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Finding the Fourth Proportional to 453,062.72, 625,242.62 and 249,129.18

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Solution

The fourth proportional to 453,062.72, 625,242.62 and 249,129.18 is: 343,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,062.72 : 625,242.62 = 249,129.18 : x
  2. Step 2: Convert to fraction form
    453,062.72/625,242.62 = 249,129.18/x
  3. Step 3: Cross multiply
    453,062.72x = 625,242.62 × 249,129.18
  4. Step 4: Simplify right side
    453,062.72x = 155,766,181,221.65
  5. Step 5: Solve for x
    x = 155,766,181,221.65/453,062.72
  6. Step 6: Final answer
    x = 343,807.10

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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.