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Finding the Fourth Proportional to 343,758.30, 474,473.66 and 234,906.71

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Solution

The fourth proportional to 343,758.30, 474,473.66 and 234,906.71 is: 324,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,758.30 : 474,473.66 = 234,906.71 : x
  2. Step 2: Convert to fraction form
    343,758.30/474,473.66 = 234,906.71/x
  3. Step 3: Cross multiply
    343,758.30x = 474,473.66 × 234,906.71
  4. Step 4: Simplify right side
    343,758.30x = 111,457,042,905.36
  5. Step 5: Solve for x
    x = 111,457,042,905.36/343,758.30
  6. Step 6: Final answer
    x = 324,230.84

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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.