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Finding the Fourth Proportional to 267,670.89, 369,386.46 and 154,493.64

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Solution

The fourth proportional to 267,670.89, 369,386.46 and 154,493.64 is: 213,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,670.89 : 369,386.46 = 154,493.64 : x
  2. Step 2: Convert to fraction form
    267,670.89/369,386.46 = 154,493.64/x
  3. Step 3: Cross multiply
    267,670.89x = 369,386.46 × 154,493.64
  4. Step 4: Simplify right side
    267,670.89x = 57,067,858,772.11
  5. Step 5: Solve for x
    x = 57,067,858,772.11/267,670.89
  6. Step 6: Final answer
    x = 213,201.59

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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.