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Finding the Fourth Proportional to 562.32, 844.08 and 379.08

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Solution

The fourth proportional to 562.32, 844.08 and 379.08 is: 569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.32 : 844.08 = 379.08 : x
  2. Step 2: Convert to fraction form
    562.32/844.08 = 379.08/x
  3. Step 3: Cross multiply
    562.32x = 844.08 × 379.08
  4. Step 4: Simplify right side
    562.32x = 319,973.85
  5. Step 5: Solve for x
    x = 319,973.85/562.32
  6. Step 6: Final answer
    x = 569.02

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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.