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Finding the Fourth Proportional to 373.74, 560.63 and 157.34

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Solution

The fourth proportional to 373.74, 560.63 and 157.34 is: 236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.74 : 560.63 = 157.34 : x
  2. Step 2: Convert to fraction form
    373.74/560.63 = 157.34/x
  3. Step 3: Cross multiply
    373.74x = 560.63 × 157.34
  4. Step 4: Simplify right side
    373.74x = 88,207.11
  5. Step 5: Solve for x
    x = 88,207.11/373.74
  6. Step 6: Final answer
    x = 236.01

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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.