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Finding the Fourth Proportional to 375.96, 560.04 and 355.44

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Solution

The fourth proportional to 375.96, 560.04 and 355.44 is: 529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.96 : 560.04 = 355.44 : x
  2. Step 2: Convert to fraction form
    375.96/560.04 = 355.44/x
  3. Step 3: Cross multiply
    375.96x = 560.04 × 355.44
  4. Step 4: Simplify right side
    375.96x = 199,060.62
  5. Step 5: Solve for x
    x = 199,060.62/375.96
  6. Step 6: Final answer
    x = 529.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.