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Finding the Fourth Proportional to 349,464.40, 523,757.88 and 149,549.68

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Solution

The fourth proportional to 349,464.40, 523,757.88 and 149,549.68 is: 224,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,464.40 : 523,757.88 = 149,549.68 : x
  2. Step 2: Convert to fraction form
    349,464.40/523,757.88 = 149,549.68/x
  3. Step 3: Cross multiply
    349,464.40x = 523,757.88 × 149,549.68
  4. Step 4: Simplify right side
    349,464.40x = 78,327,823,351.48
  5. Step 5: Solve for x
    x = 78,327,823,351.48/349,464.40
  6. Step 6: Final answer
    x = 224,136.77

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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.