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Finding the Fourth Proportional to 503,179.86, 754,769.64 and 344,928.54

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Solution

The fourth proportional to 503,179.86, 754,769.64 and 344,928.54 is: 517,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,179.86 : 754,769.64 = 344,928.54 : x
  2. Step 2: Convert to fraction form
    503,179.86/754,769.64 = 344,928.54/x
  3. Step 3: Cross multiply
    503,179.86x = 754,769.64 × 344,928.54
  4. Step 4: Simplify right side
    503,179.86x = 260,341,589,961.53
  5. Step 5: Solve for x
    x = 260,341,589,961.53/503,179.86
  6. Step 6: Final answer
    x = 517,392.71

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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.