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Finding the Fourth Proportional to 434.69, 652.27 and 332.63

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Solution

The fourth proportional to 434.69, 652.27 and 332.63 is: 499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.69 : 652.27 = 332.63 : x
  2. Step 2: Convert to fraction form
    434.69/652.27 = 332.63/x
  3. Step 3: Cross multiply
    434.69x = 652.27 × 332.63
  4. Step 4: Simplify right side
    434.69x = 216,964.57
  5. Step 5: Solve for x
    x = 216,964.57/434.69
  6. Step 6: Final answer
    x = 499.12

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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.