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Finding the Fourth Proportional to 540,967.92, 746,284.20 and 350,042.96

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Solution

The fourth proportional to 540,967.92, 746,284.20 and 350,042.96 is: 482,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,967.92 : 746,284.20 = 350,042.96 : x
  2. Step 2: Convert to fraction form
    540,967.92/746,284.20 = 350,042.96/x
  3. Step 3: Cross multiply
    540,967.92x = 746,284.20 × 350,042.96
  4. Step 4: Simplify right side
    540,967.92x = 261,231,530,369.23
  5. Step 5: Solve for x
    x = 261,231,530,369.23/540,967.92
  6. Step 6: Final answer
    x = 482,896.53

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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.