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Finding the Fourth Proportional to 525,661.60, 725,413.29 and 283,944.17

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Solution

The fourth proportional to 525,661.60, 725,413.29 and 283,944.17 is: 391,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,661.60 : 725,413.29 = 283,944.17 : x
  2. Step 2: Convert to fraction form
    525,661.60/725,413.29 = 283,944.17/x
  3. Step 3: Cross multiply
    525,661.60x = 725,413.29 × 283,944.17
  4. Step 4: Simplify right side
    525,661.60x = 205,976,874,536.02
  5. Step 5: Solve for x
    x = 205,976,874,536.02/525,661.60
  6. Step 6: Final answer
    x = 391,843.11

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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.