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Finding the Fourth Proportional to 606,550.32, 836,871.48 and 391,699.44

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Solution

The fourth proportional to 606,550.32, 836,871.48 and 391,699.44 is: 540,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,550.32 : 836,871.48 = 391,699.44 : x
  2. Step 2: Convert to fraction form
    606,550.32/836,871.48 = 391,699.44/x
  3. Step 3: Cross multiply
    606,550.32x = 836,871.48 × 391,699.44
  4. Step 4: Simplify right side
    606,550.32x = 327,802,090,067.97
  5. Step 5: Solve for x
    x = 327,802,090,067.97/606,550.32
  6. Step 6: Final answer
    x = 540,436.76

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1.5x scale

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.