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Finding the Fourth Proportional to 1,158.60, 1,737.96 and 565.44

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Solution

The fourth proportional to 1,158.60, 1,737.96 and 565.44 is: 848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.60 : 1,737.96 = 565.44 : x
  2. Step 2: Convert to fraction form
    1,158.60/1,737.96 = 565.44/x
  3. Step 3: Cross multiply
    1,158.60x = 1,737.96 × 565.44
  4. Step 4: Simplify right side
    1,158.60x = 982,712.10
  5. Step 5: Solve for x
    x = 982,712.10/1,158.60
  6. Step 6: Final answer
    x = 848.19

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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.