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Finding the Fourth Proportional to 247,400.28, 341,413.56 and 134,223

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Solution

The fourth proportional to 247,400.28, 341,413.56 and 134,223 is: 185,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,400.28 : 341,413.56 = 134,223 : x
  2. Step 2: Convert to fraction form
    247,400.28/341,413.56 = 134,223/x
  3. Step 3: Cross multiply
    247,400.28x = 341,413.56 × 134,223
  4. Step 4: Simplify right side
    247,400.28x = 45,825,552,263.88
  5. Step 5: Solve for x
    x = 45,825,552,263.88/247,400.28
  6. Step 6: Final answer
    x = 185,228.38

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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.