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Finding the Fourth Proportional to 599,426.60, 899,139.90 and 156,194.60

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Solution

The fourth proportional to 599,426.60, 899,139.90 and 156,194.60 is: 234,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,426.60 : 899,139.90 = 156,194.60 : x
  2. Step 2: Convert to fraction form
    599,426.60/899,139.90 = 156,194.60/x
  3. Step 3: Cross multiply
    599,426.60x = 899,139.90 × 156,194.60
  4. Step 4: Simplify right side
    599,426.60x = 140,440,797,024.54
  5. Step 5: Solve for x
    x = 140,440,797,024.54/599,426.60
  6. Step 6: Final answer
    x = 234,291.90

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Similar ratio
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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.