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Finding the Fourth Proportional to 334,039.20, 499,892.40 and 233,728.80

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Solution

The fourth proportional to 334,039.20, 499,892.40 and 233,728.80 is: 349,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,039.20 : 499,892.40 = 233,728.80 : x
  2. Step 2: Convert to fraction form
    334,039.20/499,892.40 = 233,728.80/x
  3. Step 3: Cross multiply
    334,039.20x = 499,892.40 × 233,728.80
  4. Step 4: Simplify right side
    334,039.20x = 116,839,250,781.12
  5. Step 5: Solve for x
    x = 116,839,250,781.12/334,039.20
  6. Step 6: Final answer
    x = 349,777.06

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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.