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Finding the Fourth Proportional to 532.16, 733.92 and 385.14

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Solution

The fourth proportional to 532.16, 733.92 and 385.14 is: 531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.16 : 733.92 = 385.14 : x
  2. Step 2: Convert to fraction form
    532.16/733.92 = 385.14/x
  3. Step 3: Cross multiply
    532.16x = 733.92 × 385.14
  4. Step 4: Simplify right side
    532.16x = 282,661.95
  5. Step 5: Solve for x
    x = 282,661.95/532.16
  6. Step 6: Final answer
    x = 531.16

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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.