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Finding the Fourth Proportional to 373.75, 560.63 and 157.33

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Solution

The fourth proportional to 373.75, 560.63 and 157.33 is: 236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.75 : 560.63 = 157.33 : x
  2. Step 2: Convert to fraction form
    373.75/560.63 = 157.33/x
  3. Step 3: Cross multiply
    373.75x = 560.63 × 157.33
  4. Step 4: Simplify right side
    373.75x = 88,203.92
  5. Step 5: Solve for x
    x = 88,203.92/373.75
  6. Step 6: Final answer
    x = 236.00

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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.