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Finding the Fourth Proportional to 334,436.76, 501,819.20 and 156,958.20

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Solution

The fourth proportional to 334,436.76, 501,819.20 and 156,958.20 is: 235,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,436.76 : 501,819.20 = 156,958.20 : x
  2. Step 2: Convert to fraction form
    334,436.76/501,819.20 = 156,958.20/x
  3. Step 3: Cross multiply
    334,436.76x = 501,819.20 × 156,958.20
  4. Step 4: Simplify right side
    334,436.76x = 78,764,638,357.44
  5. Step 5: Solve for x
    x = 78,764,638,357.44/334,436.76
  6. Step 6: Final answer
    x = 235,514.30

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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.