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Finding the Fourth Proportional to 503,462.67, 755,196.03 and 203,948.91

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Solution

The fourth proportional to 503,462.67, 755,196.03 and 203,948.91 is: 305,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,462.67 : 755,196.03 = 203,948.91 : x
  2. Step 2: Convert to fraction form
    503,462.67/755,196.03 = 203,948.91/x
  3. Step 3: Cross multiply
    503,462.67x = 755,196.03 × 203,948.91
  4. Step 4: Simplify right side
    503,462.67x = 154,021,407,154.83
  5. Step 5: Solve for x
    x = 154,021,407,154.83/503,462.67
  6. Step 6: Final answer
    x = 305,924.19

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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.