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Finding the Fourth Proportional to 1,498.62, 2,248.31 and 524.69

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Solution

The fourth proportional to 1,498.62, 2,248.31 and 524.69 is: 787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.62 : 2,248.31 = 524.69 : x
  2. Step 2: Convert to fraction form
    1,498.62/2,248.31 = 524.69/x
  3. Step 3: Cross multiply
    1,498.62x = 2,248.31 × 524.69
  4. Step 4: Simplify right side
    1,498.62x = 1,179,673.97
  5. Step 5: Solve for x
    x = 1,179,673.97/1,498.62
  6. Step 6: Final answer
    x = 787.17

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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.