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Finding the Fourth Proportional to 362,806.60, 544,209.90 and 262,496.20

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Solution

The fourth proportional to 362,806.60, 544,209.90 and 262,496.20 is: 393,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,806.60 : 544,209.90 = 262,496.20 : x
  2. Step 2: Convert to fraction form
    362,806.60/544,209.90 = 262,496.20/x
  3. Step 3: Cross multiply
    362,806.60x = 544,209.90 × 262,496.20
  4. Step 4: Simplify right side
    362,806.60x = 142,853,030,752.38
  5. Step 5: Solve for x
    x = 142,853,030,752.38/362,806.60
  6. Step 6: Final answer
    x = 393,744.30

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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.