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Finding the Fourth Proportional to 374.01, 560.89 and 157.53

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Solution

The fourth proportional to 374.01, 560.89 and 157.53 is: 236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.01 : 560.89 = 157.53 : x
  2. Step 2: Convert to fraction form
    374.01/560.89 = 157.53/x
  3. Step 3: Cross multiply
    374.01x = 560.89 × 157.53
  4. Step 4: Simplify right side
    374.01x = 88,357.00
  5. Step 5: Solve for x
    x = 88,357.00/374.01
  6. Step 6: Final answer
    x = 236.24

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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.