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Finding the Fourth Proportional to 338,235.72, 466,748.70 and 185,274.59

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Solution

The fourth proportional to 338,235.72, 466,748.70 and 185,274.59 is: 255,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,235.72 : 466,748.70 = 185,274.59 : x
  2. Step 2: Convert to fraction form
    338,235.72/466,748.70 = 185,274.59/x
  3. Step 3: Cross multiply
    338,235.72x = 466,748.70 × 185,274.59
  4. Step 4: Simplify right side
    338,235.72x = 86,476,675,185.73
  5. Step 5: Solve for x
    x = 86,476,675,185.73/338,235.72
  6. Step 6: Final answer
    x = 255,669.85

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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.