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Finding the Fourth Proportional to 750.56, 1,125.24 and 365.52

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Solution

The fourth proportional to 750.56, 1,125.24 and 365.52 is: 547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.56 : 1,125.24 = 365.52 : x
  2. Step 2: Convert to fraction form
    750.56/1,125.24 = 365.52/x
  3. Step 3: Cross multiply
    750.56x = 1,125.24 × 365.52
  4. Step 4: Simplify right side
    750.56x = 411,297.72
  5. Step 5: Solve for x
    x = 411,297.72/750.56
  6. Step 6: Final answer
    x = 547.99

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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.