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Finding the Fourth Proportional to 267,645.50, 369,350.79 and 148,413.50

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Solution

The fourth proportional to 267,645.50, 369,350.79 and 148,413.50 is: 204,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,645.50 : 369,350.79 = 148,413.50 : x
  2. Step 2: Convert to fraction form
    267,645.50/369,350.79 = 148,413.50/x
  3. Step 3: Cross multiply
    267,645.50x = 369,350.79 × 148,413.50
  4. Step 4: Simplify right side
    267,645.50x = 54,816,643,471.67
  5. Step 5: Solve for x
    x = 54,816,643,471.67/267,645.50
  6. Step 6: Final answer
    x = 204,810.63

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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.