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Finding the Fourth Proportional to 367,234.42, 506,653.53 and 239,983.78

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Solution

The fourth proportional to 367,234.42, 506,653.53 and 239,983.78 is: 331,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,234.42 : 506,653.53 = 239,983.78 : x
  2. Step 2: Convert to fraction form
    367,234.42/506,653.53 = 239,983.78/x
  3. Step 3: Cross multiply
    367,234.42x = 506,653.53 × 239,983.78
  4. Step 4: Simplify right side
    367,234.42x = 121,588,629,279.74
  5. Step 5: Solve for x
    x = 121,588,629,279.74/367,234.42
  6. Step 6: Final answer
    x = 331,092.68

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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.