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Finding the Fourth Proportional to 290,713.80, 401,094.88 and 169,767.84

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Solution

The fourth proportional to 290,713.80, 401,094.88 and 169,767.84 is: 234,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,713.80 : 401,094.88 = 169,767.84 : x
  2. Step 2: Convert to fraction form
    290,713.80/401,094.88 = 169,767.84/x
  3. Step 3: Cross multiply
    290,713.80x = 401,094.88 × 169,767.84
  4. Step 4: Simplify right side
    290,713.80x = 68,093,011,412.66
  5. Step 5: Solve for x
    x = 68,093,011,412.66/290,713.80
  6. Step 6: Final answer
    x = 234,226.97

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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.