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Finding the Fourth Proportional to 503,461.67, 755,194.53 and 203,947.91

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Solution

The fourth proportional to 503,461.67, 755,194.53 and 203,947.91 is: 305,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,461.67 : 755,194.53 = 203,947.91 : x
  2. Step 2: Convert to fraction form
    503,461.67/755,194.53 = 203,947.91/x
  3. Step 3: Cross multiply
    503,461.67x = 755,194.53 × 203,947.91
  4. Step 4: Simplify right side
    503,461.67x = 154,020,345,857.74
  5. Step 5: Solve for x
    x = 154,020,345,857.74/503,461.67
  6. Step 6: Final answer
    x = 305,922.69

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Double scale
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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.