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Finding the Fourth Proportional to 482,693.64, 666,117.22 and 267,868.28

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Solution

The fourth proportional to 482,693.64, 666,117.22 and 267,868.28 is: 369,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,693.64 : 666,117.22 = 267,868.28 : x
  2. Step 2: Convert to fraction form
    482,693.64/666,117.22 = 267,868.28/x
  3. Step 3: Cross multiply
    482,693.64x = 666,117.22 × 267,868.28
  4. Step 4: Simplify right side
    482,693.64x = 178,431,672,687.48
  5. Step 5: Solve for x
    x = 178,431,672,687.48/482,693.64
  6. Step 6: Final answer
    x = 369,658.22

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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.