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Finding the Fourth Proportional to 605,348.19, 907,707.03 and 225,956.97

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Solution

The fourth proportional to 605,348.19, 907,707.03 and 225,956.97 is: 338,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,348.19 : 907,707.03 = 225,956.97 : x
  2. Step 2: Convert to fraction form
    605,348.19/907,707.03 = 225,956.97/x
  3. Step 3: Cross multiply
    605,348.19x = 907,707.03 × 225,956.97
  4. Step 4: Simplify right side
    605,348.19x = 205,102,730,146.50
  5. Step 5: Solve for x
    x = 205,102,730,146.50/605,348.19
  6. Step 6: Final answer
    x = 338,817.78

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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.