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Finding the Fourth Proportional to 381,975.99, 527,096.01 and 220,841.42

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Solution

The fourth proportional to 381,975.99, 527,096.01 and 220,841.42 is: 304,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,975.99 : 527,096.01 = 220,841.42 : x
  2. Step 2: Convert to fraction form
    381,975.99/527,096.01 = 220,841.42/x
  3. Step 3: Cross multiply
    381,975.99x = 527,096.01 × 220,841.42
  4. Step 4: Simplify right side
    381,975.99x = 116,404,630,665.86
  5. Step 5: Solve for x
    x = 116,404,630,665.86/381,975.99
  6. Step 6: Final answer
    x = 304,743.32

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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.