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Finding the Fourth Proportional to 541,357.21, 746,969.20 and 299,628.37

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Solution

The fourth proportional to 541,357.21, 746,969.20 and 299,628.37 is: 413,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,357.21 : 746,969.20 = 299,628.37 : x
  2. Step 2: Convert to fraction form
    541,357.21/746,969.20 = 299,628.37/x
  3. Step 3: Cross multiply
    541,357.21x = 746,969.20 × 299,628.37
  4. Step 4: Simplify right side
    541,357.21x = 223,813,163,836.20
  5. Step 5: Solve for x
    x = 223,813,163,836.20/541,357.21
  6. Step 6: Final answer
    x = 413,429.73

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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.