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Finding the Fourth Proportional to 361,995.16, 499,566.72 and 218,727.49

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Solution

The fourth proportional to 361,995.16, 499,566.72 and 218,727.49 is: 301,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995.16 : 499,566.72 = 218,727.49 : x
  2. Step 2: Convert to fraction form
    361,995.16/499,566.72 = 218,727.49/x
  3. Step 3: Cross multiply
    361,995.16x = 499,566.72 × 218,727.49
  4. Step 4: Simplify right side
    361,995.16x = 109,268,974,753.13
  5. Step 5: Solve for x
    x = 109,268,974,753.13/361,995.16
  6. Step 6: Final answer
    x = 301,852.03

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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.