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Finding the Fourth Proportional to 684,198.94, 944,192.17 and 382,392.94

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Solution

The fourth proportional to 684,198.94, 944,192.17 and 382,392.94 is: 527,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,198.94 : 944,192.17 = 382,392.94 : x
  2. Step 2: Convert to fraction form
    684,198.94/944,192.17 = 382,392.94/x
  3. Step 3: Cross multiply
    684,198.94x = 944,192.17 × 382,392.94
  4. Step 4: Simplify right side
    684,198.94x = 361,052,419,811.28
  5. Step 5: Solve for x
    x = 361,052,419,811.28/684,198.94
  6. Step 6: Final answer
    x = 527,700.93

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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.