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Finding the Fourth Proportional to 338,549.42, 467,186.72 and 195,305.78

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Solution

The fourth proportional to 338,549.42, 467,186.72 and 195,305.78 is: 269,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,549.42 : 467,186.72 = 195,305.78 : x
  2. Step 2: Convert to fraction form
    338,549.42/467,186.72 = 195,305.78/x
  3. Step 3: Cross multiply
    338,549.42x = 467,186.72 × 195,305.78
  4. Step 4: Simplify right side
    338,549.42x = 91,244,266,755.24
  5. Step 5: Solve for x
    x = 91,244,266,755.24/338,549.42
  6. Step 6: Final answer
    x = 269,515.35

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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.