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Finding the Fourth Proportional to 334,124.80, 501,187.20 and 120,892.30

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Solution

The fourth proportional to 334,124.80, 501,187.20 and 120,892.30 is: 181,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,124.80 : 501,187.20 = 120,892.30 : x
  2. Step 2: Convert to fraction form
    334,124.80/501,187.20 = 120,892.30/x
  3. Step 3: Cross multiply
    334,124.80x = 501,187.20 × 120,892.30
  4. Step 4: Simplify right side
    334,124.80x = 60,589,673,338.56
  5. Step 5: Solve for x
    x = 60,589,673,338.56/334,124.80
  6. Step 6: Final answer
    x = 181,338.45

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1.5x scale

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.