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Finding the Fourth Proportional to 244,643.40, 366,965.10 and 169,993.80

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Solution

The fourth proportional to 244,643.40, 366,965.10 and 169,993.80 is: 254,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,643.40 : 366,965.10 = 169,993.80 : x
  2. Step 2: Convert to fraction form
    244,643.40/366,965.10 = 169,993.80/x
  3. Step 3: Cross multiply
    244,643.40x = 366,965.10 × 169,993.80
  4. Step 4: Simplify right side
    244,643.40x = 62,381,791,816.38
  5. Step 5: Solve for x
    x = 62,381,791,816.38/244,643.40
  6. Step 6: Final answer
    x = 254,990.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.