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Finding the Fourth Proportional to 822.89, 1,232.53 and 592.23

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Solution

The fourth proportional to 822.89, 1,232.53 and 592.23 is: 887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    822.89 : 1,232.53 = 592.23 : x
  2. Step 2: Convert to fraction form
    822.89/1,232.53 = 592.23/x
  3. Step 3: Cross multiply
    822.89x = 1,232.53 × 592.23
  4. Step 4: Simplify right side
    822.89x = 729,944.38
  5. Step 5: Solve for x
    x = 729,944.38/822.89
  6. Step 6: Final answer
    x = 887.05

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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.