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Finding the Fourth Proportional to 338,578.52, 467,235.36 and 185,613.92

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Solution

The fourth proportional to 338,578.52, 467,235.36 and 185,613.92 is: 256,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,578.52 : 467,235.36 = 185,613.92 : x
  2. Step 2: Convert to fraction form
    338,578.52/467,235.36 = 185,613.92/x
  3. Step 3: Cross multiply
    338,578.52x = 467,235.36 × 185,613.92
  4. Step 4: Simplify right side
    338,578.52x = 86,725,386,732.21
  5. Step 5: Solve for x
    x = 86,725,386,732.21/338,578.52
  6. Step 6: Final answer
    x = 256,145.57

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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.