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Finding the Fourth Proportional to 888.13, 1,225.65 and 593.98

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Solution

The fourth proportional to 888.13, 1,225.65 and 593.98 is: 819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.13 : 1,225.65 = 593.98 : x
  2. Step 2: Convert to fraction form
    888.13/1,225.65 = 593.98/x
  3. Step 3: Cross multiply
    888.13x = 1,225.65 × 593.98
  4. Step 4: Simplify right side
    888.13x = 728,011.59
  5. Step 5: Solve for x
    x = 728,011.59/888.13
  6. Step 6: Final answer
    x = 819.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.