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Finding the Fourth Proportional to 344,605.32, 475,555.61 and 191,640.15

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Solution

The fourth proportional to 344,605.32, 475,555.61 and 191,640.15 is: 264,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,605.32 : 475,555.61 = 191,640.15 : x
  2. Step 2: Convert to fraction form
    344,605.32/475,555.61 = 191,640.15/x
  3. Step 3: Cross multiply
    344,605.32x = 475,555.61 × 191,640.15
  4. Step 4: Simplify right side
    344,605.32x = 91,135,548,912.84
  5. Step 5: Solve for x
    x = 91,135,548,912.84/344,605.32
  6. Step 6: Final answer
    x = 264,463.56

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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.