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Finding the Fourth Proportional to 338,963.46, 467,768.28 and 186,004.21

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Solution

The fourth proportional to 338,963.46, 467,768.28 and 186,004.21 is: 256,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,963.46 : 467,768.28 = 186,004.21 : x
  2. Step 2: Convert to fraction form
    338,963.46/467,768.28 = 186,004.21/x
  3. Step 3: Cross multiply
    338,963.46x = 467,768.28 × 186,004.21
  4. Step 4: Simplify right side
    338,963.46x = 87,006,867,045.62
  5. Step 5: Solve for x
    x = 87,006,867,045.62/338,963.46
  6. Step 6: Final answer
    x = 256,685.09

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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.