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Finding the Fourth Proportional to 265,005.48, 365,912.84 and 203,654.49

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Solution

The fourth proportional to 265,005.48, 365,912.84 and 203,654.49 is: 281,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,005.48 : 365,912.84 = 203,654.49 : x
  2. Step 2: Convert to fraction form
    265,005.48/365,912.84 = 203,654.49/x
  3. Step 3: Cross multiply
    265,005.48x = 365,912.84 × 203,654.49
  4. Step 4: Simplify right side
    265,005.48x = 74,519,793,364.33
  5. Step 5: Solve for x
    x = 74,519,793,364.33/265,005.48
  6. Step 6: Final answer
    x = 281,200.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.