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Finding the Fourth Proportional to 562.92, 844.56 and 402

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Solution

The fourth proportional to 562.92, 844.56 and 402 is: 603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.92 : 844.56 = 402 : x
  2. Step 2: Convert to fraction form
    562.92/844.56 = 402/x
  3. Step 3: Cross multiply
    562.92x = 844.56 × 402
  4. Step 4: Simplify right side
    562.92x = 339,513.12
  5. Step 5: Solve for x
    x = 339,513.12/562.92
  6. Step 6: Final answer
    x = 603.13

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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.