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Finding the Fourth Proportional to 528,856.56, 792,610.92 and 247,754.16

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Solution

The fourth proportional to 528,856.56, 792,610.92 and 247,754.16 is: 371,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,856.56 : 792,610.92 = 247,754.16 : x
  2. Step 2: Convert to fraction form
    528,856.56/792,610.92 = 247,754.16/x
  3. Step 3: Cross multiply
    528,856.56x = 792,610.92 × 247,754.16
  4. Step 4: Simplify right side
    528,856.56x = 196,372,652,691.43
  5. Step 5: Solve for x
    x = 196,372,652,691.43/528,856.56
  6. Step 6: Final answer
    x = 371,315.53

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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.