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Finding the Fourth Proportional to 323,905.60, 485,202.30 and 183,500.20

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Solution

The fourth proportional to 323,905.60, 485,202.30 and 183,500.20 is: 274,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,905.60 : 485,202.30 = 183,500.20 : x
  2. Step 2: Convert to fraction form
    323,905.60/485,202.30 = 183,500.20/x
  3. Step 3: Cross multiply
    323,905.60x = 485,202.30 × 183,500.20
  4. Step 4: Simplify right side
    323,905.60x = 89,034,719,090.46
  5. Step 5: Solve for x
    x = 89,034,719,090.46/323,905.60
  6. Step 6: Final answer
    x = 274,878.60

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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.