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Finding the Fourth Proportional to 304,938.56, 457,404.48 and 117,818.88

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Solution

The fourth proportional to 304,938.56, 457,404.48 and 117,818.88 is: 176,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,938.56 : 457,404.48 = 117,818.88 : x
  2. Step 2: Convert to fraction form
    304,938.56/457,404.48 = 117,818.88/x
  3. Step 3: Cross multiply
    304,938.56x = 457,404.48 × 117,818.88
  4. Step 4: Simplify right side
    304,938.56x = 53,890,883,540.58
  5. Step 5: Solve for x
    x = 53,890,883,540.58/304,938.56
  6. Step 6: Final answer
    x = 176,727.02

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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.