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Finding the Fourth Proportional to 304,872.10, 457,308.15 and 94,531.30

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Solution

The fourth proportional to 304,872.10, 457,308.15 and 94,531.30 is: 141,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,872.10 : 457,308.15 = 94,531.30 : x
  2. Step 2: Convert to fraction form
    304,872.10/457,308.15 = 94,531.30/x
  3. Step 3: Cross multiply
    304,872.10x = 457,308.15 × 94,531.30
  4. Step 4: Simplify right side
    304,872.10x = 43,229,933,920.10
  5. Step 5: Solve for x
    x = 43,229,933,920.10/304,872.10
  6. Step 6: Final answer
    x = 141,796.95

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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.