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Finding the Fourth Proportional to 489,133.10, 733,663.20 and 204,750.20

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Solution

The fourth proportional to 489,133.10, 733,663.20 and 204,750.20 is: 307,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,133.10 : 733,663.20 = 204,750.20 : x
  2. Step 2: Convert to fraction form
    489,133.10/733,663.20 = 204,750.20/x
  3. Step 3: Cross multiply
    489,133.10x = 733,663.20 × 204,750.20
  4. Step 4: Simplify right side
    489,133.10x = 150,217,686,932.64
  5. Step 5: Solve for x
    x = 150,217,686,932.64/489,133.10
  6. Step 6: Final answer
    x = 307,110.04

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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.