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Finding the Fourth Proportional to 1,585.08, 2,376 and 610.92

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Solution

The fourth proportional to 1,585.08, 2,376 and 610.92 is: 915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.08 : 2,376 = 610.92 : x
  2. Step 2: Convert to fraction form
    1,585.08/2,376 = 610.92/x
  3. Step 3: Cross multiply
    1,585.08x = 2,376 × 610.92
  4. Step 4: Simplify right side
    1,585.08x = 1,451,545.92
  5. Step 5: Solve for x
    x = 1,451,545.92/1,585.08
  6. Step 6: Final answer
    x = 915.76

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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.