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Finding the Fourth Proportional to 453,474.56, 625,767.60 and 249,518

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Solution

The fourth proportional to 453,474.56, 625,767.60 and 249,518 is: 344,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,474.56 : 625,767.60 = 249,518 : x
  2. Step 2: Convert to fraction form
    453,474.56/625,767.60 = 249,518/x
  3. Step 3: Cross multiply
    453,474.56x = 625,767.60 × 249,518
  4. Step 4: Simplify right side
    453,474.56x = 156,140,280,016.80
  5. Step 5: Solve for x
    x = 156,140,280,016.80/453,474.56
  6. Step 6: Final answer
    x = 344,319.82

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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.