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Finding the Fourth Proportional to 484,462.20, 726,693.30 and 360,046.20

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Solution

The fourth proportional to 484,462.20, 726,693.30 and 360,046.20 is: 540,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,462.20 : 726,693.30 = 360,046.20 : x
  2. Step 2: Convert to fraction form
    484,462.20/726,693.30 = 360,046.20/x
  3. Step 3: Cross multiply
    484,462.20x = 726,693.30 × 360,046.20
  4. Step 4: Simplify right side
    484,462.20x = 261,643,161,230.46
  5. Step 5: Solve for x
    x = 261,643,161,230.46/484,462.20
  6. Step 6: Final answer
    x = 540,069.30

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Similar ratio
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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.