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Finding the Fourth Proportional to 359.40, 498.27 and 332.40

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Solution

The fourth proportional to 359.40, 498.27 and 332.40 is: 460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.40 : 498.27 = 332.40 : x
  2. Step 2: Convert to fraction form
    359.40/498.27 = 332.40/x
  3. Step 3: Cross multiply
    359.40x = 498.27 × 332.40
  4. Step 4: Simplify right side
    359.40x = 165,624.95
  5. Step 5: Solve for x
    x = 165,624.95/359.40
  6. Step 6: Final answer
    x = 460.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.