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Finding the Fourth Proportional to 345,331.92, 476,550.72 and 192,369.84

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Solution

The fourth proportional to 345,331.92, 476,550.72 and 192,369.84 is: 265,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,331.92 : 476,550.72 = 192,369.84 : x
  2. Step 2: Convert to fraction form
    345,331.92/476,550.72 = 192,369.84/x
  3. Step 3: Cross multiply
    345,331.92x = 476,550.72 × 192,369.84
  4. Step 4: Simplify right side
    345,331.92x = 91,673,985,758.28
  5. Step 5: Solve for x
    x = 91,673,985,758.28/345,331.92
  6. Step 6: Final answer
    x = 265,466.30

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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.