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Finding the Fourth Proportional to 887.56, 1,225.02 and 593.32

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Solution

The fourth proportional to 887.56, 1,225.02 and 593.32 is: 818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.56 : 1,225.02 = 593.32 : x
  2. Step 2: Convert to fraction form
    887.56/1,225.02 = 593.32/x
  3. Step 3: Cross multiply
    887.56x = 1,225.02 × 593.32
  4. Step 4: Simplify right side
    887.56x = 726,828.87
  5. Step 5: Solve for x
    x = 726,828.87/887.56
  6. Step 6: Final answer
    x = 818.91

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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.