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Finding the Fourth Proportional to 539,063.60, 808,595.40 and 165,086.60

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Solution

The fourth proportional to 539,063.60, 808,595.40 and 165,086.60 is: 247,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,063.60 : 808,595.40 = 165,086.60 : x
  2. Step 2: Convert to fraction form
    539,063.60/808,595.40 = 165,086.60/x
  3. Step 3: Cross multiply
    539,063.60x = 808,595.40 × 165,086.60
  4. Step 4: Simplify right side
    539,063.60x = 133,488,265,361.64
  5. Step 5: Solve for x
    x = 133,488,265,361.64/539,063.60
  6. Step 6: Final answer
    x = 247,629.90

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Similar ratio
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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.