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Finding the Fourth Proportional to 590.94, 886.34 and 158.13

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Solution

The fourth proportional to 590.94, 886.34 and 158.13 is: 237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.94 : 886.34 = 158.13 : x
  2. Step 2: Convert to fraction form
    590.94/886.34 = 158.13/x
  3. Step 3: Cross multiply
    590.94x = 886.34 × 158.13
  4. Step 4: Simplify right side
    590.94x = 140,157.34
  5. Step 5: Solve for x
    x = 140,157.34/590.94
  6. Step 6: Final answer
    x = 237.18

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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.