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Finding the Fourth Proportional to 483,760.10, 725,856.15 and 168,443.30

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Solution

The fourth proportional to 483,760.10, 725,856.15 and 168,443.30 is: 252,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,760.10 : 725,856.15 = 168,443.30 : x
  2. Step 2: Convert to fraction form
    483,760.10/725,856.15 = 168,443.30/x
  3. Step 3: Cross multiply
    483,760.10x = 725,856.15 × 168,443.30
  4. Step 4: Simplify right side
    483,760.10x = 122,265,605,231.30
  5. Step 5: Solve for x
    x = 122,265,605,231.30/483,760.10
  6. Step 6: Final answer
    x = 252,740.16

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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.