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Finding the Fourth Proportional to 240,894.40, 360,947.41 and 145,836.46

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Solution

The fourth proportional to 240,894.40, 360,947.41 and 145,836.46 is: 218,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,894.40 : 360,947.41 = 145,836.46 : x
  2. Step 2: Convert to fraction form
    240,894.40/360,947.41 = 145,836.46/x
  3. Step 3: Cross multiply
    240,894.40x = 360,947.41 × 145,836.46
  4. Step 4: Simplify right side
    240,894.40x = 52,639,292,520.57
  5. Step 5: Solve for x
    x = 52,639,292,520.57/240,894.40
  6. Step 6: Final answer
    x = 218,516.05

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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.