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Finding the Fourth Proportional to 541,336.71, 746,940.92 and 299,607.87

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Solution

The fourth proportional to 541,336.71, 746,940.92 and 299,607.87 is: 413,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,336.71 : 746,940.92 = 299,607.87 : x
  2. Step 2: Convert to fraction form
    541,336.71/746,940.92 = 299,607.87/x
  3. Step 3: Cross multiply
    541,336.71x = 746,940.92 × 299,607.87
  4. Step 4: Simplify right side
    541,336.71x = 223,789,376,559.00
  5. Step 5: Solve for x
    x = 223,789,376,559.00/541,336.71
  6. Step 6: Final answer
    x = 413,401.44

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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.