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Finding the Fourth Proportional to 400,331.93, 600,498.29 and 163,674.61

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Solution

The fourth proportional to 400,331.93, 600,498.29 and 163,674.61 is: 245,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,331.93 : 600,498.29 = 163,674.61 : x
  2. Step 2: Convert to fraction form
    400,331.93/600,498.29 = 163,674.61/x
  3. Step 3: Cross multiply
    400,331.93x = 600,498.29 × 163,674.61
  4. Step 4: Simplify right side
    400,331.93x = 98,286,322,329.36
  5. Step 5: Solve for x
    x = 98,286,322,329.36/400,331.93
  6. Step 6: Final answer
    x = 245,512.08

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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.