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Finding the Fourth Proportional to 339,432.34, 509,593.48 and 227,612.91

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Solution

The fourth proportional to 339,432.34, 509,593.48 and 227,612.91 is: 341,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,432.34 : 509,593.48 = 227,612.91 : x
  2. Step 2: Convert to fraction form
    339,432.34/509,593.48 = 227,612.91/x
  3. Step 3: Cross multiply
    339,432.34x = 509,593.48 × 227,612.91
  4. Step 4: Simplify right side
    339,432.34x = 115,990,054,899.83
  5. Step 5: Solve for x
    x = 115,990,054,899.83/339,432.34
  6. Step 6: Final answer
    x = 341,717.75

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1.5x scale

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.