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Finding the Fourth Proportional to 304,695.56, 457,042.78 and 91,463.26

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Solution

The fourth proportional to 304,695.56, 457,042.78 and 91,463.26 is: 137,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,695.56 : 457,042.78 = 91,463.26 : x
  2. Step 2: Convert to fraction form
    304,695.56/457,042.78 = 91,463.26/x
  3. Step 3: Cross multiply
    304,695.56x = 457,042.78 × 91,463.26
  4. Step 4: Simplify right side
    304,695.56x = 41,802,621,247.00
  5. Step 5: Solve for x
    x = 41,802,621,247.00/304,695.56
  6. Step 6: Final answer
    x = 137,194.72

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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.