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Finding the Fourth Proportional to 562.92, 844.04 and 315.72

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Solution

The fourth proportional to 562.92, 844.04 and 315.72 is: 473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.92 : 844.04 = 315.72 : x
  2. Step 2: Convert to fraction form
    562.92/844.04 = 315.72/x
  3. Step 3: Cross multiply
    562.92x = 844.04 × 315.72
  4. Step 4: Simplify right side
    562.92x = 266,480.31
  5. Step 5: Solve for x
    x = 266,480.31/562.92
  6. Step 6: Final answer
    x = 473.39

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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.