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Finding the Fourth Proportional to 267,658.80, 401,099.40 and 228,001.20

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Solution

The fourth proportional to 267,658.80, 401,099.40 and 228,001.20 is: 341,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,658.80 : 401,099.40 = 228,001.20 : x
  2. Step 2: Convert to fraction form
    267,658.80/401,099.40 = 228,001.20/x
  3. Step 3: Cross multiply
    267,658.80x = 401,099.40 × 228,001.20
  4. Step 4: Simplify right side
    267,658.80x = 91,451,144,519.28
  5. Step 5: Solve for x
    x = 91,451,144,519.28/267,658.80
  6. Step 6: Final answer
    x = 341,670.61

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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.