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Finding the Fourth Proportional to 484,188.20, 726,282.30 and 235,356.20

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Solution

The fourth proportional to 484,188.20, 726,282.30 and 235,356.20 is: 353,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,188.20 : 726,282.30 = 235,356.20 : x
  2. Step 2: Convert to fraction form
    484,188.20/726,282.30 = 235,356.20/x
  3. Step 3: Cross multiply
    484,188.20x = 726,282.30 × 235,356.20
  4. Step 4: Simplify right side
    484,188.20x = 170,935,042,255.26
  5. Step 5: Solve for x
    x = 170,935,042,255.26/484,188.20
  6. Step 6: Final answer
    x = 353,034.30

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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.