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Finding the Fourth Proportional to 332,938.30, 499,443.90 and 322,440.70

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Solution

The fourth proportional to 332,938.30, 499,443.90 and 322,440.70 is: 483,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,938.30 : 499,443.90 = 322,440.70 : x
  2. Step 2: Convert to fraction form
    332,938.30/499,443.90 = 322,440.70/x
  3. Step 3: Cross multiply
    332,938.30x = 499,443.90 × 322,440.70
  4. Step 4: Simplify right side
    332,938.30x = 161,041,040,726.73
  5. Step 5: Solve for x
    x = 161,041,040,726.73/332,938.30
  6. Step 6: Final answer
    x = 483,696.35

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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.