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Finding the Fourth Proportional to 299,431.33, 446,855.37 and 267,482.59

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Solution

The fourth proportional to 299,431.33, 446,855.37 and 267,482.59 is: 399,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,431.33 : 446,855.37 = 267,482.59 : x
  2. Step 2: Convert to fraction form
    299,431.33/446,855.37 = 267,482.59/x
  3. Step 3: Cross multiply
    299,431.33x = 446,855.37 × 267,482.59
  4. Step 4: Simplify right side
    299,431.33x = 119,526,031,723.01
  5. Step 5: Solve for x
    x = 119,526,031,723.01/299,431.33
  6. Step 6: Final answer
    x = 399,176.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.