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Finding the Fourth Proportional to 599,449.60, 899,059.20 and 178,739.20

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Solution

The fourth proportional to 599,449.60, 899,059.20 and 178,739.20 is: 268,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,449.60 : 899,059.20 = 178,739.20 : x
  2. Step 2: Convert to fraction form
    599,449.60/899,059.20 = 178,739.20/x
  3. Step 3: Cross multiply
    599,449.60x = 899,059.20 × 178,739.20
  4. Step 4: Simplify right side
    599,449.60x = 160,697,122,160.64
  5. Step 5: Solve for x
    x = 160,697,122,160.64/599,449.60
  6. Step 6: Final answer
    x = 268,074.45

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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.