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Finding the Fourth Proportional to 599,793.60, 899,690.40 and 156,561.60

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Solution

The fourth proportional to 599,793.60, 899,690.40 and 156,561.60 is: 234,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,793.60 : 899,690.40 = 156,561.60 : x
  2. Step 2: Convert to fraction form
    599,793.60/899,690.40 = 156,561.60/x
  3. Step 3: Cross multiply
    599,793.60x = 899,690.40 × 156,561.60
  4. Step 4: Simplify right side
    599,793.60x = 140,856,968,528.64
  5. Step 5: Solve for x
    x = 140,856,968,528.64/599,793.60
  6. Step 6: Final answer
    x = 234,842.40

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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.