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Finding the Fourth Proportional to 339,146.48, 468,027.98 and 186,198.84

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Solution

The fourth proportional to 339,146.48, 468,027.98 and 186,198.84 is: 256,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,146.48 : 468,027.98 = 186,198.84 : x
  2. Step 2: Convert to fraction form
    339,146.48/468,027.98 = 186,198.84/x
  3. Step 3: Cross multiply
    339,146.48x = 468,027.98 × 186,198.84
  4. Step 4: Simplify right side
    339,146.48x = 87,146,266,963.54
  5. Step 5: Solve for x
    x = 87,146,266,963.54/339,146.48
  6. Step 6: Final answer
    x = 256,957.60

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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.