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Finding the Fourth Proportional to 484,050, 726,113.34 and 147,119.88

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Solution

The fourth proportional to 484,050, 726,113.34 and 147,119.88 is: 220,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,050 : 726,113.34 = 147,119.88 : x
  2. Step 2: Convert to fraction form
    484,050/726,113.34 = 147,119.88/x
  3. Step 3: Cross multiply
    484,050x = 726,113.34 × 147,119.88
  4. Step 4: Simplify right side
    484,050x = 106,825,707,447.20
  5. Step 5: Solve for x
    x = 106,825,707,447.20/484,050
  6. Step 6: Final answer
    x = 220,691.47

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1.5x scale

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.