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Finding the Fourth Proportional to 453,037.14, 625,178.50 and 249,087.78

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Solution

The fourth proportional to 453,037.14, 625,178.50 and 249,087.78 is: 343,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,037.14 : 625,178.50 = 249,087.78 : x
  2. Step 2: Convert to fraction form
    453,037.14/625,178.50 = 249,087.78/x
  3. Step 3: Cross multiply
    453,037.14x = 625,178.50 × 249,087.78
  4. Step 4: Simplify right side
    453,037.14x = 155,724,324,668.73
  5. Step 5: Solve for x
    x = 155,724,324,668.73/453,037.14
  6. Step 6: Final answer
    x = 343,734.12

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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.