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Finding the Fourth Proportional to 481,378.24, 664,307.24 and 266,522.16

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Solution

The fourth proportional to 481,378.24, 664,307.24 and 266,522.16 is: 367,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,378.24 : 664,307.24 = 266,522.16 : x
  2. Step 2: Convert to fraction form
    481,378.24/664,307.24 = 266,522.16/x
  3. Step 3: Cross multiply
    481,378.24x = 664,307.24 × 266,522.16
  4. Step 4: Simplify right side
    481,378.24x = 177,052,600,508.44
  5. Step 5: Solve for x
    x = 177,052,600,508.44/481,378.24
  6. Step 6: Final answer
    x = 367,803.50

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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.