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Finding the Fourth Proportional to 503,408.76, 755,139.18 and 183,553.20

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Solution

The fourth proportional to 503,408.76, 755,139.18 and 183,553.20 is: 275,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,408.76 : 755,139.18 = 183,553.20 : x
  2. Step 2: Convert to fraction form
    503,408.76/755,139.18 = 183,553.20/x
  3. Step 3: Cross multiply
    503,408.76x = 755,139.18 × 183,553.20
  4. Step 4: Simplify right side
    503,408.76x = 138,608,212,934.38
  5. Step 5: Solve for x
    x = 138,608,212,934.38/503,408.76
  6. Step 6: Final answer
    x = 275,339.29

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Double scale
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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.