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Finding the Fourth Proportional to 562.31, 841.71 and 356.17

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Solution

The fourth proportional to 562.31, 841.71 and 356.17 is: 533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.31 : 841.71 = 356.17 : x
  2. Step 2: Convert to fraction form
    562.31/841.71 = 356.17/x
  3. Step 3: Cross multiply
    562.31x = 841.71 × 356.17
  4. Step 4: Simplify right side
    562.31x = 299,791.85
  5. Step 5: Solve for x
    x = 299,791.85/562.31
  6. Step 6: Final answer
    x = 533.14

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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.