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Finding the Fourth Proportional to 297,319.40, 444,812.70 and 269,325.80

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Solution

The fourth proportional to 297,319.40, 444,812.70 and 269,325.80 is: 402,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,319.40 : 444,812.70 = 269,325.80 : x
  2. Step 2: Convert to fraction form
    297,319.40/444,812.70 = 269,325.80/x
  3. Step 3: Cross multiply
    297,319.40x = 444,812.70 × 269,325.80
  4. Step 4: Simplify right side
    297,319.40x = 119,799,536,277.66
  5. Step 5: Solve for x
    x = 119,799,536,277.66/297,319.40
  6. Step 6: Final answer
    x = 402,932.12

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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.