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Finding the Fourth Proportional to 541,651.44, 747,351.72 and 323,931.36

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Solution

The fourth proportional to 541,651.44, 747,351.72 and 323,931.36 is: 446,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,651.44 : 747,351.72 = 323,931.36 : x
  2. Step 2: Convert to fraction form
    541,651.44/747,351.72 = 323,931.36/x
  3. Step 3: Cross multiply
    541,651.44x = 747,351.72 × 323,931.36
  4. Step 4: Simplify right side
    541,651.44x = 242,090,659,057.94
  5. Step 5: Solve for x
    x = 242,090,659,057.94/541,651.44
  6. Step 6: Final answer
    x = 446,949.17

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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.