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Finding the Fourth Proportional to 384.29, 576.05 and 332.02

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Solution

The fourth proportional to 384.29, 576.05 and 332.02 is: 497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.29 : 576.05 = 332.02 : x
  2. Step 2: Convert to fraction form
    384.29/576.05 = 332.02/x
  3. Step 3: Cross multiply
    384.29x = 576.05 × 332.02
  4. Step 4: Simplify right side
    384.29x = 191,258.46
  5. Step 5: Solve for x
    x = 191,258.46/384.29
  6. Step 6: Final answer
    x = 497.70

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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.