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Finding the Fourth Proportional to 1,154.60, 1,732 and 332.89

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Solution

The fourth proportional to 1,154.60, 1,732 and 332.89 is: 499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.60 : 1,732 = 332.89 : x
  2. Step 2: Convert to fraction form
    1,154.60/1,732 = 332.89/x
  3. Step 3: Cross multiply
    1,154.60x = 1,732 × 332.89
  4. Step 4: Simplify right side
    1,154.60x = 576,556.82
  5. Step 5: Solve for x
    x = 576,556.82/1,154.60
  6. Step 6: Final answer
    x = 499.36

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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.