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Finding the Fourth Proportional to 544,679.32, 817,040.96 and 189,729.24

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Solution

The fourth proportional to 544,679.32, 817,040.96 and 189,729.24 is: 284,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,679.32 : 817,040.96 = 189,729.24 : x
  2. Step 2: Convert to fraction form
    544,679.32/817,040.96 = 189,729.24/x
  3. Step 3: Cross multiply
    544,679.32x = 817,040.96 × 189,729.24
  4. Step 4: Simplify right side
    544,679.32x = 155,016,560,389.67
  5. Step 5: Solve for x
    x = 155,016,560,389.67/544,679.32
  6. Step 6: Final answer
    x = 284,601.52

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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.