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Finding the Fourth Proportional to 374.84, 562.40 and 158.36

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Solution

The fourth proportional to 374.84, 562.40 and 158.36 is: 237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.84 : 562.40 = 158.36 : x
  2. Step 2: Convert to fraction form
    374.84/562.40 = 158.36/x
  3. Step 3: Cross multiply
    374.84x = 562.40 × 158.36
  4. Step 4: Simplify right side
    374.84x = 89,058.06
  5. Step 5: Solve for x
    x = 89,058.06/374.84
  6. Step 6: Final answer
    x = 237.59

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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.