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Finding the Fourth Proportional to 439,896.54, 606,916.15 and 246,275.79

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Solution

The fourth proportional to 439,896.54, 606,916.15 and 246,275.79 is: 339,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,896.54 : 606,916.15 = 246,275.79 : x
  2. Step 2: Convert to fraction form
    439,896.54/606,916.15 = 246,275.79/x
  3. Step 3: Cross multiply
    439,896.54x = 606,916.15 × 246,275.79
  4. Step 4: Simplify right side
    439,896.54x = 149,468,754,305.01
  5. Step 5: Solve for x
    x = 149,468,754,305.01/439,896.54
  6. Step 6: Final answer
    x = 339,781.61

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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.