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Finding the Fourth Proportional to 267,094.89, 400,838.36 and 215,131.77

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Solution

The fourth proportional to 267,094.89, 400,838.36 and 215,131.77 is: 322,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,094.89 : 400,838.36 = 215,131.77 : x
  2. Step 2: Convert to fraction form
    267,094.89/400,838.36 = 215,131.77/x
  3. Step 3: Cross multiply
    267,094.89x = 400,838.36 × 215,131.77
  4. Step 4: Simplify right side
    267,094.89x = 86,233,064,795.04
  5. Step 5: Solve for x
    x = 86,233,064,795.04/267,094.89
  6. Step 6: Final answer
    x = 322,855.54

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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.