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Finding the Fourth Proportional to 425,107.84, 637,331.24 and 275,031.04

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Solution

The fourth proportional to 425,107.84, 637,331.24 and 275,031.04 is: 412,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,107.84 : 637,331.24 = 275,031.04 : x
  2. Step 2: Convert to fraction form
    425,107.84/637,331.24 = 275,031.04/x
  3. Step 3: Cross multiply
    425,107.84x = 637,331.24 × 275,031.04
  4. Step 4: Simplify right side
    425,107.84x = 175,285,873,761.69
  5. Step 5: Solve for x
    x = 175,285,873,761.69/425,107.84
  6. Step 6: Final answer
    x = 412,332.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.