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Finding the Fourth Proportional to 584.23, 876.44 and 291.74

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Solution

The fourth proportional to 584.23, 876.44 and 291.74 is: 437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.23 : 876.44 = 291.74 : x
  2. Step 2: Convert to fraction form
    584.23/876.44 = 291.74/x
  3. Step 3: Cross multiply
    584.23x = 876.44 × 291.74
  4. Step 4: Simplify right side
    584.23x = 255,691.62
  5. Step 5: Solve for x
    x = 255,691.62/584.23
  6. Step 6: Final answer
    x = 437.66

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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.