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Finding the Fourth Proportional to 504,413.88, 696,095.82 and 278,067.48

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Solution

The fourth proportional to 504,413.88, 696,095.82 and 278,067.48 is: 383,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,413.88 : 696,095.82 = 278,067.48 : x
  2. Step 2: Convert to fraction form
    504,413.88/696,095.82 = 278,067.48/x
  3. Step 3: Cross multiply
    504,413.88x = 696,095.82 × 278,067.48
  4. Step 4: Simplify right side
    504,413.88x = 193,561,610,505.93
  5. Step 5: Solve for x
    x = 193,561,610,505.93/504,413.88
  6. Step 6: Final answer
    x = 383,735.69

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1.5x scale

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.