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Finding the Fourth Proportional to 334,236.79, 501,520.56 and 156,757.42

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Solution

The fourth proportional to 334,236.79, 501,520.56 and 156,757.42 is: 235,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,236.79 : 501,520.56 = 156,757.42 : x
  2. Step 2: Convert to fraction form
    334,236.79/501,520.56 = 156,757.42/x
  3. Step 3: Cross multiply
    334,236.79x = 501,520.56 × 156,757.42
  4. Step 4: Simplify right side
    334,236.79x = 78,617,069,062.56
  5. Step 5: Solve for x
    x = 78,617,069,062.56/334,236.79
  6. Step 6: Final answer
    x = 235,213.69

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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.