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Finding the Fourth Proportional to 543,553.20, 750,110.22 and 301,850.82

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Solution

The fourth proportional to 543,553.20, 750,110.22 and 301,850.82 is: 416,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,553.20 : 750,110.22 = 301,850.82 : x
  2. Step 2: Convert to fraction form
    543,553.20/750,110.22 = 301,850.82/x
  3. Step 3: Cross multiply
    543,553.20x = 750,110.22 × 301,850.82
  4. Step 4: Simplify right side
    543,553.20x = 226,421,384,997.38
  5. Step 5: Solve for x
    x = 226,421,384,997.38/543,553.20
  6. Step 6: Final answer
    x = 416,557.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.