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Finding the Fourth Proportional to 404,898.92, 558,793.56 and 232,872.57

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Solution

The fourth proportional to 404,898.92, 558,793.56 and 232,872.57 is: 321,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,898.92 : 558,793.56 = 232,872.57 : x
  2. Step 2: Convert to fraction form
    404,898.92/558,793.56 = 232,872.57/x
  3. Step 3: Cross multiply
    404,898.92x = 558,793.56 × 232,872.57
  4. Step 4: Simplify right side
    404,898.92x = 130,127,692,416.65
  5. Step 5: Solve for x
    x = 130,127,692,416.65/404,898.92
  6. Step 6: Final answer
    x = 321,383.16

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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.