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Finding the Fourth Proportional to 453,578.29, 625,914.70 and 249,648.57

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Solution

The fourth proportional to 453,578.29, 625,914.70 and 249,648.57 is: 344,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,578.29 : 625,914.70 = 249,648.57 : x
  2. Step 2: Convert to fraction form
    453,578.29/625,914.70 = 249,648.57/x
  3. Step 3: Cross multiply
    453,578.29x = 625,914.70 × 249,648.57
  4. Step 4: Simplify right side
    453,578.29x = 156,258,711,520.04
  5. Step 5: Solve for x
    x = 156,258,711,520.04/453,578.29
  6. Step 6: Final answer
    x = 344,502.18

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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.