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Finding the Fourth Proportional to 373,527.65, 515,467.06 and 203,760.56

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Solution

The fourth proportional to 373,527.65, 515,467.06 and 203,760.56 is: 281,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,527.65 : 515,467.06 = 203,760.56 : x
  2. Step 2: Convert to fraction form
    373,527.65/515,467.06 = 203,760.56/x
  3. Step 3: Cross multiply
    373,527.65x = 515,467.06 × 203,760.56
  4. Step 4: Simplify right side
    373,527.65x = 105,031,857,586.42
  5. Step 5: Solve for x
    x = 105,031,857,586.42/373,527.65
  6. Step 6: Final answer
    x = 281,188.97

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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.