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Finding the Fourth Proportional to 445,951.38, 615,413.33 and 254,968.77

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Solution

The fourth proportional to 445,951.38, 615,413.33 and 254,968.77 is: 351,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,951.38 : 615,413.33 = 254,968.77 : x
  2. Step 2: Convert to fraction form
    445,951.38/615,413.33 = 254,968.77/x
  3. Step 3: Cross multiply
    445,951.38x = 615,413.33 × 254,968.77
  4. Step 4: Simplify right side
    445,951.38x = 156,911,179,791.70
  5. Step 5: Solve for x
    x = 156,911,179,791.70/445,951.38
  6. Step 6: Final answer
    x = 351,857.15

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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.