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Finding the Fourth Proportional to 481,488.57, 722,353.01 and 144,535.46

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Solution

The fourth proportional to 481,488.57, 722,353.01 and 144,535.46 is: 216,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,488.57 : 722,353.01 = 144,535.46 : x
  2. Step 2: Convert to fraction form
    481,488.57/722,353.01 = 144,535.46/x
  3. Step 3: Cross multiply
    481,488.57x = 722,353.01 × 144,535.46
  4. Step 4: Simplify right side
    481,488.57x = 104,405,620,248.29
  5. Step 5: Solve for x
    x = 104,405,620,248.29/481,488.57
  6. Step 6: Final answer
    x = 216,839.25

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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.