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Finding the Fourth Proportional to 374.88, 563.64 and 362.56

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Solution

The fourth proportional to 374.88, 563.64 and 362.56 is: 545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.88 : 563.64 = 362.56 : x
  2. Step 2: Convert to fraction form
    374.88/563.64 = 362.56/x
  3. Step 3: Cross multiply
    374.88x = 563.64 × 362.56
  4. Step 4: Simplify right side
    374.88x = 204,353.32
  5. Step 5: Solve for x
    x = 204,353.32/374.88
  6. Step 6: Final answer
    x = 545.12

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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.