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Finding the Fourth Proportional to 439,812.59, 606,998.61 and 246,294.07

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Solution

The fourth proportional to 439,812.59, 606,998.61 and 246,294.07 is: 339,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,812.59 : 606,998.61 = 246,294.07 : x
  2. Step 2: Convert to fraction form
    439,812.59/606,998.61 = 246,294.07/x
  3. Step 3: Cross multiply
    439,812.59x = 606,998.61 × 246,294.07
  4. Step 4: Simplify right side
    439,812.59x = 149,500,156,623.75
  5. Step 5: Solve for x
    x = 149,500,156,623.75/439,812.59
  6. Step 6: Final answer
    x = 339,917.87

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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.