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Finding the Fourth Proportional to 1,158.91, 1,738.27 and 337.17

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Solution

The fourth proportional to 1,158.91, 1,738.27 and 337.17 is: 505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.91 : 1,738.27 = 337.17 : x
  2. Step 2: Convert to fraction form
    1,158.91/1,738.27 = 337.17/x
  3. Step 3: Cross multiply
    1,158.91x = 1,738.27 × 337.17
  4. Step 4: Simplify right side
    1,158.91x = 586,092.50
  5. Step 5: Solve for x
    x = 586,092.50/1,158.91
  6. Step 6: Final answer
    x = 505.73

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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.