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Finding the Fourth Proportional to 483,820.25, 667,689.03 and 266,045.42

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Solution

The fourth proportional to 483,820.25, 667,689.03 and 266,045.42 is: 367,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,820.25 : 667,689.03 = 266,045.42 : x
  2. Step 2: Convert to fraction form
    483,820.25/667,689.03 = 266,045.42/x
  3. Step 3: Cross multiply
    483,820.25x = 667,689.03 × 266,045.42
  4. Step 4: Simplify right side
    483,820.25x = 177,635,605,077.30
  5. Step 5: Solve for x
    x = 177,635,605,077.30/483,820.25
  6. Step 6: Final answer
    x = 367,152.07

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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.