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Finding the Fourth Proportional to 334,248.66, 501,270.53 and 120,991.05

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Solution

The fourth proportional to 334,248.66, 501,270.53 and 120,991.05 is: 181,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,248.66 : 501,270.53 = 120,991.05 : x
  2. Step 2: Convert to fraction form
    334,248.66/501,270.53 = 120,991.05/x
  3. Step 3: Cross multiply
    334,248.66x = 501,270.53 × 120,991.05
  4. Step 4: Simplify right side
    334,248.66x = 60,649,247,153.80
  5. Step 5: Solve for x
    x = 60,649,247,153.80/334,248.66
  6. Step 6: Final answer
    x = 181,449.48

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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.