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Finding the Fourth Proportional to 510,601.60, 765,902.40 and 136,624.60

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Solution

The fourth proportional to 510,601.60, 765,902.40 and 136,624.60 is: 204,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,601.60 : 765,902.40 = 136,624.60 : x
  2. Step 2: Convert to fraction form
    510,601.60/765,902.40 = 136,624.60/x
  3. Step 3: Cross multiply
    510,601.60x = 765,902.40 × 136,624.60
  4. Step 4: Simplify right side
    510,601.60x = 104,641,109,039.04
  5. Step 5: Solve for x
    x = 104,641,109,039.04/510,601.60
  6. Step 6: Final answer
    x = 204,936.90

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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.