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Finding the Fourth Proportional to 457.46, 631.84 and 332.92

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Solution

The fourth proportional to 457.46, 631.84 and 332.92 is: 459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    457.46 : 631.84 = 332.92 : x
  2. Step 2: Convert to fraction form
    457.46/631.84 = 332.92/x
  3. Step 3: Cross multiply
    457.46x = 631.84 × 332.92
  4. Step 4: Simplify right side
    457.46x = 210,349.01
  5. Step 5: Solve for x
    x = 210,349.01/457.46
  6. Step 6: Final answer
    x = 459.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.