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Finding the Fourth Proportional to 625,155.84, 936,665.28 and 446,751.36

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Solution

The fourth proportional to 625,155.84, 936,665.28 and 446,751.36 is: 669,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,155.84 : 936,665.28 = 446,751.36 : x
  2. Step 2: Convert to fraction form
    625,155.84/936,665.28 = 446,751.36/x
  3. Step 3: Cross multiply
    625,155.84x = 936,665.28 × 446,751.36
  4. Step 4: Simplify right side
    625,155.84x = 418,456,487,704.78
  5. Step 5: Solve for x
    x = 418,456,487,704.78/625,155.84
  6. Step 6: Final answer
    x = 669,363.48

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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.