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Finding the Fourth Proportional to 425,006.82, 586,324.44 and 243,677.16

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Solution

The fourth proportional to 425,006.82, 586,324.44 and 243,677.16 is: 336,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,006.82 : 586,324.44 = 243,677.16 : x
  2. Step 2: Convert to fraction form
    425,006.82/586,324.44 = 243,677.16/x
  3. Step 3: Cross multiply
    425,006.82x = 586,324.44 × 243,677.16
  4. Step 4: Simplify right side
    425,006.82x = 142,873,874,377.79
  5. Step 5: Solve for x
    x = 142,873,874,377.79/425,006.82
  6. Step 6: Final answer
    x = 336,168.43

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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.