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Finding the Fourth Proportional to 327,023.60, 490,848.60 and 169,365.20

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Solution

The fourth proportional to 327,023.60, 490,848.60 and 169,365.20 is: 254,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,023.60 : 490,848.60 = 169,365.20 : x
  2. Step 2: Convert to fraction form
    327,023.60/490,848.60 = 169,365.20/x
  3. Step 3: Cross multiply
    327,023.60x = 490,848.60 × 169,365.20
  4. Step 4: Simplify right side
    327,023.60x = 83,132,671,308.72
  5. Step 5: Solve for x
    x = 83,132,671,308.72/327,023.60
  6. Step 6: Final answer
    x = 254,210.01

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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.