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Finding the Fourth Proportional to 453,264.78, 625,517.20 and 249,320.96

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Solution

The fourth proportional to 453,264.78, 625,517.20 and 249,320.96 is: 344,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,264.78 : 625,517.20 = 249,320.96 : x
  2. Step 2: Convert to fraction form
    453,264.78/625,517.20 = 249,320.96/x
  3. Step 3: Cross multiply
    453,264.78x = 625,517.20 × 249,320.96
  4. Step 4: Simplify right side
    453,264.78x = 155,954,548,800.51
  5. Step 5: Solve for x
    x = 155,954,548,800.51/453,264.78
  6. Step 6: Final answer
    x = 344,069.42

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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.