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Finding the Fourth Proportional to 503,294.43, 755,408.21 and 254,151.39

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Solution

The fourth proportional to 503,294.43, 755,408.21 and 254,151.39 is: 381,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,294.43 : 755,408.21 = 254,151.39 : x
  2. Step 2: Convert to fraction form
    503,294.43/755,408.21 = 254,151.39/x
  3. Step 3: Cross multiply
    503,294.43x = 755,408.21 × 254,151.39
  4. Step 4: Simplify right side
    503,294.43x = 191,988,045,318.16
  5. Step 5: Solve for x
    x = 191,988,045,318.16/503,294.43
  6. Step 6: Final answer
    x = 381,462.69

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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.