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Finding the Fourth Proportional to 503,463.18, 755,196.78 and 203,949.48

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Solution

The fourth proportional to 503,463.18, 755,196.78 and 203,949.48 is: 305,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,463.18 : 755,196.78 = 203,949.48 : x
  2. Step 2: Convert to fraction form
    503,463.18/755,196.78 = 203,949.48/x
  3. Step 3: Cross multiply
    503,463.18x = 755,196.78 × 203,949.48
  4. Step 4: Simplify right side
    503,463.18x = 154,021,990,578.67
  5. Step 5: Solve for x
    x = 154,021,990,578.67/503,463.18
  6. Step 6: Final answer
    x = 305,925.03

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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.