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Finding the Fourth Proportional to 544,956.81, 752,047.21 and 299,969.88

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Solution

The fourth proportional to 544,956.81, 752,047.21 and 299,969.88 is: 413,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,956.81 : 752,047.21 = 299,969.88 : x
  2. Step 2: Convert to fraction form
    544,956.81/752,047.21 = 299,969.88/x
  3. Step 3: Cross multiply
    544,956.81x = 752,047.21 × 299,969.88
  4. Step 4: Simplify right side
    544,956.81x = 225,591,512,279.42
  5. Step 5: Solve for x
    x = 225,591,512,279.42/544,956.81
  6. Step 6: Final answer
    x = 413,962.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.