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Finding the Fourth Proportional to 294,010.78, 440,666.24 and 204,781.18

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Solution

The fourth proportional to 294,010.78, 440,666.24 and 204,781.18 is: 306,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,010.78 : 440,666.24 = 204,781.18 : x
  2. Step 2: Convert to fraction form
    294,010.78/440,666.24 = 204,781.18/x
  3. Step 3: Cross multiply
    294,010.78x = 440,666.24 × 204,781.18
  4. Step 4: Simplify right side
    294,010.78x = 90,240,152,613.36
  5. Step 5: Solve for x
    x = 90,240,152,613.36/294,010.78
  6. Step 6: Final answer
    x = 306,928.04

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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.