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Finding the Fourth Proportional to 467,372.05, 644,217.87 and 365,220.01

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Solution

The fourth proportional to 467,372.05, 644,217.87 and 365,220.01 is: 503,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,372.05 : 644,217.87 = 365,220.01 : x
  2. Step 2: Convert to fraction form
    467,372.05/644,217.87 = 365,220.01/x
  3. Step 3: Cross multiply
    467,372.05x = 644,217.87 × 365,220.01
  4. Step 4: Simplify right side
    467,372.05x = 235,281,256,923.58
  5. Step 5: Solve for x
    x = 235,281,256,923.58/467,372.05
  6. Step 6: Final answer
    x = 503,413.19

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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.