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Finding the Fourth Proportional to 437,771.28, 604,218.30 and 276,523.78

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Solution

The fourth proportional to 437,771.28, 604,218.30 and 276,523.78 is: 381,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,771.28 : 604,218.30 = 276,523.78 : x
  2. Step 2: Convert to fraction form
    437,771.28/604,218.30 = 276,523.78/x
  3. Step 3: Cross multiply
    437,771.28x = 604,218.30 × 276,523.78
  4. Step 4: Simplify right side
    437,771.28x = 167,080,728,261.17
  5. Step 5: Solve for x
    x = 167,080,728,261.17/437,771.28
  6. Step 6: Final answer
    x = 381,662.15

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Double scale
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1.5x scale

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.