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Finding the Fourth Proportional to 338,963.05, 467,767.72 and 186,003.80

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Solution

The fourth proportional to 338,963.05, 467,767.72 and 186,003.80 is: 256,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,963.05 : 467,767.72 = 186,003.80 : x
  2. Step 2: Convert to fraction form
    338,963.05/467,767.72 = 186,003.80/x
  3. Step 3: Cross multiply
    338,963.05x = 467,767.72 × 186,003.80
  4. Step 4: Simplify right side
    338,963.05x = 87,006,573,437.34
  5. Step 5: Solve for x
    x = 87,006,573,437.34/338,963.05
  6. Step 6: Final answer
    x = 256,684.54

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1.5x scale

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.