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Finding the Fourth Proportional to 267,990.58, 401,994.90 and 134,798.22

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Solution

The fourth proportional to 267,990.58, 401,994.90 and 134,798.22 is: 202,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,990.58 : 401,994.90 = 134,798.22 : x
  2. Step 2: Convert to fraction form
    267,990.58/401,994.90 = 134,798.22/x
  3. Step 3: Cross multiply
    267,990.58x = 401,994.90 × 134,798.22
  4. Step 4: Simplify right side
    267,990.58x = 54,188,196,969.08
  5. Step 5: Solve for x
    x = 54,188,196,969.08/267,990.58
  6. Step 6: Final answer
    x = 202,201.87

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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.