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Finding the Fourth Proportional to 540,954.45, 746,512.61 and 299,234.25

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Solution

The fourth proportional to 540,954.45, 746,512.61 and 299,234.25 is: 412,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,954.45 : 746,512.61 = 299,234.25 : x
  2. Step 2: Convert to fraction form
    540,954.45/746,512.61 = 299,234.25/x
  3. Step 3: Cross multiply
    540,954.45x = 746,512.61 × 299,234.25
  4. Step 4: Simplify right side
    540,954.45x = 223,382,139,472.72
  5. Step 5: Solve for x
    x = 223,382,139,472.72/540,954.45
  6. Step 6: Final answer
    x = 412,940.76

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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.