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Finding the Fourth Proportional to 266,035.92, 398,418.24 and 147,413.04

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Solution

The fourth proportional to 266,035.92, 398,418.24 and 147,413.04 is: 220,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,035.92 : 398,418.24 = 147,413.04 : x
  2. Step 2: Convert to fraction form
    266,035.92/398,418.24 = 147,413.04/x
  3. Step 3: Cross multiply
    266,035.92x = 398,418.24 × 147,413.04
  4. Step 4: Simplify right side
    266,035.92x = 58,732,043,949.85
  5. Step 5: Solve for x
    x = 58,732,043,949.85/266,035.92
  6. Step 6: Final answer
    x = 220,767.35

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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.