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Finding the Fourth Proportional to 374.00, 560.84 and 157.43

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Solution

The fourth proportional to 374.00, 560.84 and 157.43 is: 236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.00 : 560.84 = 157.43 : x
  2. Step 2: Convert to fraction form
    374.00/560.84 = 157.43/x
  3. Step 3: Cross multiply
    374.00x = 560.84 × 157.43
  4. Step 4: Simplify right side
    374.00x = 88,291.25
  5. Step 5: Solve for x
    x = 88,291.25/374.00
  6. Step 6: Final answer
    x = 236.07

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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.