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Finding the Fourth Proportional to 206,906.60, 310,359.90 and 184,599.20

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Solution

The fourth proportional to 206,906.60, 310,359.90 and 184,599.20 is: 276,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,906.60 : 310,359.90 = 184,599.20 : x
  2. Step 2: Convert to fraction form
    206,906.60/310,359.90 = 184,599.20/x
  3. Step 3: Cross multiply
    206,906.60x = 310,359.90 × 184,599.20
  4. Step 4: Simplify right side
    206,906.60x = 57,292,189,252.08
  5. Step 5: Solve for x
    x = 57,292,189,252.08/206,906.60
  6. Step 6: Final answer
    x = 276,898.80

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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.