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Finding the Fourth Proportional to 338,872.07, 508,309.88 and 114,234.48

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Solution

The fourth proportional to 338,872.07, 508,309.88 and 114,234.48 is: 171,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,872.07 : 508,309.88 = 114,234.48 : x
  2. Step 2: Convert to fraction form
    338,872.07/508,309.88 = 114,234.48/x
  3. Step 3: Cross multiply
    338,872.07x = 508,309.88 × 114,234.48
  4. Step 4: Simplify right side
    338,872.07x = 58,066,514,249.49
  5. Step 5: Solve for x
    x = 58,066,514,249.49/338,872.07
  6. Step 6: Final answer
    x = 171,352.32

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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.