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Finding the Fourth Proportional to 503,071.98, 754,601.22 and 123,997.20

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Solution

The fourth proportional to 503,071.98, 754,601.22 and 123,997.20 is: 185,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,071.98 : 754,601.22 = 123,997.20 : x
  2. Step 2: Convert to fraction form
    503,071.98/754,601.22 = 123,997.20/x
  3. Step 3: Cross multiply
    503,071.98x = 754,601.22 × 123,997.20
  4. Step 4: Simplify right side
    503,071.98x = 93,568,438,396.58
  5. Step 5: Solve for x
    x = 93,568,438,396.58/503,071.98
  6. Step 6: Final answer
    x = 185,994.14

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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.