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Finding the Fourth Proportional to 487,729.98, 731,413.17 and 167,792.37

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Solution

The fourth proportional to 487,729.98, 731,413.17 and 167,792.37 is: 251,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,729.98 : 731,413.17 = 167,792.37 : x
  2. Step 2: Convert to fraction form
    487,729.98/731,413.17 = 167,792.37/x
  3. Step 3: Cross multiply
    487,729.98x = 731,413.17 × 167,792.37
  4. Step 4: Simplify right side
    487,729.98x = 122,725,549,243.51
  5. Step 5: Solve for x
    x = 122,725,549,243.51/487,729.98
  6. Step 6: Final answer
    x = 251,626.01

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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.