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Finding the Fourth Proportional to 484,720.61, 727,413.11 and 169,177.51

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Solution

The fourth proportional to 484,720.61, 727,413.11 and 169,177.51 is: 253,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,720.61 : 727,413.11 = 169,177.51 : x
  2. Step 2: Convert to fraction form
    484,720.61/727,413.11 = 169,177.51/x
  3. Step 3: Cross multiply
    484,720.61x = 727,413.11 × 169,177.51
  4. Step 4: Simplify right side
    484,720.61x = 123,061,939,388.95
  5. Step 5: Solve for x
    x = 123,061,939,388.95/484,720.61
  6. Step 6: Final answer
    x = 253,882.21

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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.