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Finding the Fourth Proportional to 335,963.20, 503,944.80 and 168,001.60

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Solution

The fourth proportional to 335,963.20, 503,944.80 and 168,001.60 is: 252,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,963.20 : 503,944.80 = 168,001.60 : x
  2. Step 2: Convert to fraction form
    335,963.20/503,944.80 = 168,001.60/x
  3. Step 3: Cross multiply
    335,963.20x = 503,944.80 × 168,001.60
  4. Step 4: Simplify right side
    335,963.20x = 84,663,532,711.68
  5. Step 5: Solve for x
    x = 84,663,532,711.68/335,963.20
  6. Step 6: Final answer
    x = 252,002.40

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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.