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Finding the Fourth Proportional to 362,692.68, 544,147.76 and 146,440.09

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Solution

The fourth proportional to 362,692.68, 544,147.76 and 146,440.09 is: 219,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,692.68 : 544,147.76 = 146,440.09 : x
  2. Step 2: Convert to fraction form
    362,692.68/544,147.76 = 146,440.09/x
  3. Step 3: Cross multiply
    362,692.68x = 544,147.76 × 146,440.09
  4. Step 4: Simplify right side
    362,692.68x = 79,685,046,947.70
  5. Step 5: Solve for x
    x = 79,685,046,947.70/362,692.68
  6. Step 6: Final answer
    x = 219,704.04

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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.