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Finding the Fourth Proportional to 453,345.80, 625,597.46 and 249,383.78

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Solution

The fourth proportional to 453,345.80, 625,597.46 and 249,383.78 is: 344,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,345.80 : 625,597.46 = 249,383.78 : x
  2. Step 2: Convert to fraction form
    453,345.80/625,597.46 = 249,383.78/x
  3. Step 3: Cross multiply
    453,345.80x = 625,597.46 × 249,383.78
  4. Step 4: Simplify right side
    453,345.80x = 156,013,859,333.20
  5. Step 5: Solve for x
    x = 156,013,859,333.20/453,345.80
  6. Step 6: Final answer
    x = 344,138.76

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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.