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Finding the Fourth Proportional to 437,842.72, 656,764.08 and 201,384.28

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Solution

The fourth proportional to 437,842.72, 656,764.08 and 201,384.28 is: 302,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,842.72 : 656,764.08 = 201,384.28 : x
  2. Step 2: Convert to fraction form
    437,842.72/656,764.08 = 201,384.28/x
  3. Step 3: Cross multiply
    437,842.72x = 656,764.08 × 201,384.28
  4. Step 4: Simplify right side
    437,842.72x = 132,261,959,738.75
  5. Step 5: Solve for x
    x = 132,261,959,738.75/437,842.72
  6. Step 6: Final answer
    x = 302,076.42

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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.