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Finding the Fourth Proportional to 453,819.29, 626,265.57 and 249,866

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Solution

The fourth proportional to 453,819.29, 626,265.57 and 249,866 is: 344,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,819.29 : 626,265.57 = 249,866 : x
  2. Step 2: Convert to fraction form
    453,819.29/626,265.57 = 249,866/x
  3. Step 3: Cross multiply
    453,819.29x = 626,265.57 × 249,866
  4. Step 4: Simplify right side
    453,819.29x = 156,482,472,913.62
  5. Step 5: Solve for x
    x = 156,482,472,913.62/453,819.29
  6. Step 6: Final answer
    x = 344,812.30

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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.