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Finding the Fourth Proportional to 539,016.40, 808,524.60 and 165,038.80

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Solution

The fourth proportional to 539,016.40, 808,524.60 and 165,038.80 is: 247,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016.40 : 808,524.60 = 165,038.80 : x
  2. Step 2: Convert to fraction form
    539,016.40/808,524.60 = 165,038.80/x
  3. Step 3: Cross multiply
    539,016.40x = 808,524.60 × 165,038.80
  4. Step 4: Simplify right side
    539,016.40x = 133,437,929,754.48
  5. Step 5: Solve for x
    x = 133,437,929,754.48/539,016.40
  6. Step 6: Final answer
    x = 247,558.20

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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.