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Finding the Fourth Proportional to 823.02, 1,234.49 and 592.32

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Solution

The fourth proportional to 823.02, 1,234.49 and 592.32 is: 888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    823.02 : 1,234.49 = 592.32 : x
  2. Step 2: Convert to fraction form
    823.02/1,234.49 = 592.32/x
  3. Step 3: Cross multiply
    823.02x = 1,234.49 × 592.32
  4. Step 4: Simplify right side
    823.02x = 731,218.12
  5. Step 5: Solve for x
    x = 731,218.12/823.02
  6. Step 6: Final answer
    x = 888.46

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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.