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Finding the Fourth Proportional to 439,633.62, 606,727.02 and 246,060.78

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Solution

The fourth proportional to 439,633.62, 606,727.02 and 246,060.78 is: 339,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,633.62 : 606,727.02 = 246,060.78 : x
  2. Step 2: Convert to fraction form
    439,633.62/606,727.02 = 246,060.78/x
  3. Step 3: Cross multiply
    439,633.62x = 606,727.02 × 246,060.78
  4. Step 4: Simplify right side
    439,633.62x = 149,291,723,788.28
  5. Step 5: Solve for x
    x = 149,291,723,788.28/439,633.62
  6. Step 6: Final answer
    x = 339,582.14

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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.