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Finding the Fourth Proportional to 539,096.20, 808,644.30 and 165,070.60

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Solution

The fourth proportional to 539,096.20, 808,644.30 and 165,070.60 is: 247,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,096.20 : 808,644.30 = 165,070.60 : x
  2. Step 2: Convert to fraction form
    539,096.20/808,644.30 = 165,070.60/x
  3. Step 3: Cross multiply
    539,096.20x = 808,644.30 × 165,070.60
  4. Step 4: Simplify right side
    539,096.20x = 133,483,399,787.58
  5. Step 5: Solve for x
    x = 133,483,399,787.58/539,096.20
  6. Step 6: Final answer
    x = 247,605.90

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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.