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Finding the Fourth Proportional to 539,027.40, 808,541.10 and 165,049.80

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Solution

The fourth proportional to 539,027.40, 808,541.10 and 165,049.80 is: 247,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,027.40 : 808,541.10 = 165,049.80 : x
  2. Step 2: Convert to fraction form
    539,027.40/808,541.10 = 165,049.80/x
  3. Step 3: Cross multiply
    539,027.40x = 808,541.10 × 165,049.80
  4. Step 4: Simplify right side
    539,027.40x = 133,449,546,846.78
  5. Step 5: Solve for x
    x = 133,449,546,846.78/539,027.40
  6. Step 6: Final answer
    x = 247,574.70

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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.