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Finding the Fourth Proportional to 472.41, 652.15 and 332.64

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Solution

The fourth proportional to 472.41, 652.15 and 332.64 is: 459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.41 : 652.15 = 332.64 : x
  2. Step 2: Convert to fraction form
    472.41/652.15 = 332.64/x
  3. Step 3: Cross multiply
    472.41x = 652.15 × 332.64
  4. Step 4: Simplify right side
    472.41x = 216,931.18
  5. Step 5: Solve for x
    x = 216,931.18/472.41
  6. Step 6: Final answer
    x = 459.20

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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.