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Finding the Fourth Proportional to 474,036.66, 654,010.34 and 269,942.88

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Solution

The fourth proportional to 474,036.66, 654,010.34 and 269,942.88 is: 372,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,036.66 : 654,010.34 = 269,942.88 : x
  2. Step 2: Convert to fraction form
    474,036.66/654,010.34 = 269,942.88/x
  3. Step 3: Cross multiply
    474,036.66x = 654,010.34 × 269,942.88
  4. Step 4: Simplify right side
    474,036.66x = 176,545,433,379.67
  5. Step 5: Solve for x
    x = 176,545,433,379.67/474,036.66
  6. Step 6: Final answer
    x = 372,429.92

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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.