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Finding the Fourth Proportional to 405,616.46, 559,820.95 and 244,471.69

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Solution

The fourth proportional to 405,616.46, 559,820.95 and 244,471.69 is: 337,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,616.46 : 559,820.95 = 244,471.69 : x
  2. Step 2: Convert to fraction form
    405,616.46/559,820.95 = 244,471.69/x
  3. Step 3: Cross multiply
    405,616.46x = 559,820.95 × 244,471.69
  4. Step 4: Simplify right side
    405,616.46x = 136,860,373,743.91
  5. Step 5: Solve for x
    x = 136,860,373,743.91/405,616.46
  6. Step 6: Final answer
    x = 337,413.26

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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.