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Finding the Fourth Proportional to 435.17, 652.19 and 332.15

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Solution

The fourth proportional to 435.17, 652.19 and 332.15 is: 497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.17 : 652.19 = 332.15 : x
  2. Step 2: Convert to fraction form
    435.17/652.19 = 332.15/x
  3. Step 3: Cross multiply
    435.17x = 652.19 × 332.15
  4. Step 4: Simplify right side
    435.17x = 216,619.99
  5. Step 5: Solve for x
    x = 216,619.99/435.17
  6. Step 6: Final answer
    x = 497.78

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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.