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Finding the Fourth Proportional to 593,514.72, 819,049.20 and 321,589.98

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Solution

The fourth proportional to 593,514.72, 819,049.20 and 321,589.98 is: 443,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,514.72 : 819,049.20 = 321,589.98 : x
  2. Step 2: Convert to fraction form
    593,514.72/819,049.20 = 321,589.98/x
  3. Step 3: Cross multiply
    593,514.72x = 819,049.20 × 321,589.98
  4. Step 4: Simplify right side
    593,514.72x = 263,398,015,847.02
  5. Step 5: Solve for x
    x = 263,398,015,847.02/593,514.72
  6. Step 6: Final answer
    x = 443,793.57

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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.