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Finding the Fourth Proportional to 452,999.31, 625,139.45 and 249,053.70

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Solution

The fourth proportional to 452,999.31, 625,139.45 and 249,053.70 is: 343,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,999.31 : 625,139.45 = 249,053.70 : x
  2. Step 2: Convert to fraction form
    452,999.31/625,139.45 = 249,053.70/x
  3. Step 3: Cross multiply
    452,999.31x = 625,139.45 × 249,053.70
  4. Step 4: Simplify right side
    452,999.31x = 155,693,291,793.20
  5. Step 5: Solve for x
    x = 155,693,291,793.20/452,999.31
  6. Step 6: Final answer
    x = 343,694.32

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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.