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Finding the Fourth Proportional to 518,199.22, 777,326.64 and 163,241.02

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Solution

The fourth proportional to 518,199.22, 777,326.64 and 163,241.02 is: 244,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,199.22 : 777,326.64 = 163,241.02 : x
  2. Step 2: Convert to fraction form
    518,199.22/777,326.64 = 163,241.02/x
  3. Step 3: Cross multiply
    518,199.22x = 777,326.64 × 163,241.02
  4. Step 4: Simplify right side
    518,199.22x = 126,891,593,586.77
  5. Step 5: Solve for x
    x = 126,891,593,586.77/518,199.22
  6. Step 6: Final answer
    x = 244,870.29

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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.