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Finding the Fourth Proportional to 453,252.21, 625,489.31 and 249,324.03

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Solution

The fourth proportional to 453,252.21, 625,489.31 and 249,324.03 is: 344,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,252.21 : 625,489.31 = 249,324.03 : x
  2. Step 2: Convert to fraction form
    453,252.21/625,489.31 = 249,324.03/x
  3. Step 3: Cross multiply
    453,252.21x = 625,489.31 × 249,324.03
  4. Step 4: Simplify right side
    453,252.21x = 155,949,514,244.50
  5. Step 5: Solve for x
    x = 155,949,514,244.50/453,252.21
  6. Step 6: Final answer
    x = 344,067.85

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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.