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Finding the Fourth Proportional to 502,815.36, 754,334.28 and 165,960.12

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Solution

The fourth proportional to 502,815.36, 754,334.28 and 165,960.12 is: 248,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,815.36 : 754,334.28 = 165,960.12 : x
  2. Step 2: Convert to fraction form
    502,815.36/754,334.28 = 165,960.12/x
  3. Step 3: Cross multiply
    502,815.36x = 754,334.28 × 165,960.12
  4. Step 4: Simplify right side
    502,815.36x = 125,189,407,628.91
  5. Step 5: Solve for x
    x = 125,189,407,628.91/502,815.36
  6. Step 6: Final answer
    x = 248,976.90

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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.