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Finding the Fourth Proportional to 272,391.66, 375,912.62 and 226,993.64

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Solution

The fourth proportional to 272,391.66, 375,912.62 and 226,993.64 is: 313,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,391.66 : 375,912.62 = 226,993.64 : x
  2. Step 2: Convert to fraction form
    272,391.66/375,912.62 = 226,993.64/x
  3. Step 3: Cross multiply
    272,391.66x = 375,912.62 × 226,993.64
  4. Step 4: Simplify right side
    272,391.66x = 85,329,773,935.74
  5. Step 5: Solve for x
    x = 85,329,773,935.74/272,391.66
  6. Step 6: Final answer
    x = 313,261.33

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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.