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Finding the Fourth Proportional to 491,703.35, 737,681.78 and 267,006.11

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Solution

The fourth proportional to 491,703.35, 737,681.78 and 267,006.11 is: 400,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,703.35 : 737,681.78 = 267,006.11 : x
  2. Step 2: Convert to fraction form
    491,703.35/737,681.78 = 267,006.11/x
  3. Step 3: Cross multiply
    491,703.35x = 737,681.78 × 267,006.11
  4. Step 4: Simplify right side
    491,703.35x = 196,965,539,474.78
  5. Step 5: Solve for x
    x = 196,965,539,474.78/491,703.35
  6. Step 6: Final answer
    x = 400,577.99

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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.