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Finding the Fourth Proportional to 453,358.10, 625,625.48 and 249,397.11

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Solution

The fourth proportional to 453,358.10, 625,625.48 and 249,397.11 is: 344,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,358.10 : 625,625.48 = 249,397.11 : x
  2. Step 2: Convert to fraction form
    453,358.10/625,625.48 = 249,397.11/x
  3. Step 3: Cross multiply
    453,358.10x = 625,625.48 × 249,397.11
  4. Step 4: Simplify right side
    453,358.10x = 156,029,187,277.86
  5. Step 5: Solve for x
    x = 156,029,187,277.86/453,358.10
  6. Step 6: Final answer
    x = 344,163.23

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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.