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Finding the Fourth Proportional to 362,721.60, 544,082.40 and 185,574.60

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Solution

The fourth proportional to 362,721.60, 544,082.40 and 185,574.60 is: 278,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,721.60 : 544,082.40 = 185,574.60 : x
  2. Step 2: Convert to fraction form
    362,721.60/544,082.40 = 185,574.60/x
  3. Step 3: Cross multiply
    362,721.60x = 544,082.40 × 185,574.60
  4. Step 4: Simplify right side
    362,721.60x = 100,967,873,747.04
  5. Step 5: Solve for x
    x = 100,967,873,747.04/362,721.60
  6. Step 6: Final answer
    x = 278,361.90

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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.