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Finding the Fourth Proportional to 322,884.93, 484,401.11 and 98,277.20

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Solution

The fourth proportional to 322,884.93, 484,401.11 and 98,277.20 is: 147,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,884.93 : 484,401.11 = 98,277.20 : x
  2. Step 2: Convert to fraction form
    322,884.93/484,401.11 = 98,277.20/x
  3. Step 3: Cross multiply
    322,884.93x = 484,401.11 × 98,277.20
  4. Step 4: Simplify right side
    322,884.93x = 47,605,581,854.30
  5. Step 5: Solve for x
    x = 47,605,581,854.30/322,884.93
  6. Step 6: Final answer
    x = 147,438.23

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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.