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Finding the Fourth Proportional to 1,158.29, 1,737.24 and 464.78

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Solution

The fourth proportional to 1,158.29, 1,737.24 and 464.78 is: 697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.29 : 1,737.24 = 464.78 : x
  2. Step 2: Convert to fraction form
    1,158.29/1,737.24 = 464.78/x
  3. Step 3: Cross multiply
    1,158.29x = 1,737.24 × 464.78
  4. Step 4: Simplify right side
    1,158.29x = 807,425.72
  5. Step 5: Solve for x
    x = 807,425.72/1,158.29
  6. Step 6: Final answer
    x = 697.09

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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.