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Finding the Fourth Proportional to 666,599.94, 999,877.41 and 267,133.44

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Solution

The fourth proportional to 666,599.94, 999,877.41 and 267,133.44 is: 400,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,599.94 : 999,877.41 = 267,133.44 : x
  2. Step 2: Convert to fraction form
    666,599.94/999,877.41 = 267,133.44/x
  3. Step 3: Cross multiply
    666,599.94x = 999,877.41 × 267,133.44
  4. Step 4: Simplify right side
    666,599.94x = 267,100,692,111.59
  5. Step 5: Solve for x
    x = 267,100,692,111.59/666,599.94
  6. Step 6: Final answer
    x = 400,691.14

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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.