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Finding the Fourth Proportional to 489,134.16, 733,732.56 and 169,316.82

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Solution

The fourth proportional to 489,134.16, 733,732.56 and 169,316.82 is: 253,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,134.16 : 733,732.56 = 169,316.82 : x
  2. Step 2: Convert to fraction form
    489,134.16/733,732.56 = 169,316.82/x
  3. Step 3: Cross multiply
    489,134.16x = 733,732.56 × 169,316.82
  4. Step 4: Simplify right side
    489,134.16x = 124,233,263,789.66
  5. Step 5: Solve for x
    x = 124,233,263,789.66/489,134.16
  6. Step 6: Final answer
    x = 253,986.07

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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.