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Finding the Fourth Proportional to 349,224.30, 523,836.45 and 99,906.30

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Solution

The fourth proportional to 349,224.30, 523,836.45 and 99,906.30 is: 149,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,224.30 : 523,836.45 = 99,906.30 : x
  2. Step 2: Convert to fraction form
    349,224.30/523,836.45 = 99,906.30/x
  3. Step 3: Cross multiply
    349,224.30x = 523,836.45 × 99,906.30
  4. Step 4: Simplify right side
    349,224.30x = 52,334,561,524.64
  5. Step 5: Solve for x
    x = 52,334,561,524.64/349,224.30
  6. Step 6: Final answer
    x = 149,859.45

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1.5x scale

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.