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Finding the Fourth Proportional to 892.88, 1,232.18 and 500.01

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Solution

The fourth proportional to 892.88, 1,232.18 and 500.01 is: 690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.88 : 1,232.18 = 500.01 : x
  2. Step 2: Convert to fraction form
    892.88/1,232.18 = 500.01/x
  3. Step 3: Cross multiply
    892.88x = 1,232.18 × 500.01
  4. Step 4: Simplify right side
    892.88x = 616,099.82
  5. Step 5: Solve for x
    x = 616,099.82/892.88
  6. Step 6: Final answer
    x = 690.02

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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.