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Finding the Fourth Proportional to 338,776.64, 467,508.58 and 185,811.72

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Solution

The fourth proportional to 338,776.64, 467,508.58 and 185,811.72 is: 256,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,776.64 : 467,508.58 = 185,811.72 : x
  2. Step 2: Convert to fraction form
    338,776.64/467,508.58 = 185,811.72/x
  3. Step 3: Cross multiply
    338,776.64x = 467,508.58 × 185,811.72
  4. Step 4: Simplify right side
    338,776.64x = 86,868,573,364.56
  5. Step 5: Solve for x
    x = 86,868,573,364.56/338,776.64
  6. Step 6: Final answer
    x = 256,418.43

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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.