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Finding the Fourth Proportional to 447,388.95, 670,521.54 and 267,607.02

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Solution

The fourth proportional to 447,388.95, 670,521.54 and 267,607.02 is: 401,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,388.95 : 670,521.54 = 267,607.02 : x
  2. Step 2: Convert to fraction form
    447,388.95/670,521.54 = 267,607.02/x
  3. Step 3: Cross multiply
    447,388.95x = 670,521.54 × 267,607.02
  4. Step 4: Simplify right side
    447,388.95x = 179,436,271,165.21
  5. Step 5: Solve for x
    x = 179,436,271,165.21/447,388.95
  6. Step 6: Final answer
    x = 401,074.44

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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.