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Finding the Fourth Proportional to 373.25, 560.56 and 357.31

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Solution

The fourth proportional to 373.25, 560.56 and 357.31 is: 536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.25 : 560.56 = 357.31 : x
  2. Step 2: Convert to fraction form
    373.25/560.56 = 357.31/x
  3. Step 3: Cross multiply
    373.25x = 560.56 × 357.31
  4. Step 4: Simplify right side
    373.25x = 200,290.89
  5. Step 5: Solve for x
    x = 200,290.89/373.25
  6. Step 6: Final answer
    x = 536.61

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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.