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Finding the Fourth Proportional to 1,154.96, 1,732.54 and 374.93

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Solution

The fourth proportional to 1,154.96, 1,732.54 and 374.93 is: 562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.96 : 1,732.54 = 374.93 : x
  2. Step 2: Convert to fraction form
    1,154.96/1,732.54 = 374.93/x
  3. Step 3: Cross multiply
    1,154.96x = 1,732.54 × 374.93
  4. Step 4: Simplify right side
    1,154.96x = 649,578.82
  5. Step 5: Solve for x
    x = 649,578.82/1,154.96
  6. Step 6: Final answer
    x = 562.43

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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.