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Finding the Fourth Proportional to 431,026.80, 594,653.40 and 261,198.96

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Solution

The fourth proportional to 431,026.80, 594,653.40 and 261,198.96 is: 360,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,026.80 : 594,653.40 = 261,198.96 : x
  2. Step 2: Convert to fraction form
    431,026.80/594,653.40 = 261,198.96/x
  3. Step 3: Cross multiply
    431,026.80x = 594,653.40 × 261,198.96
  4. Step 4: Simplify right side
    431,026.80x = 155,322,849,640.46
  5. Step 5: Solve for x
    x = 155,322,849,640.46/431,026.80
  6. Step 6: Final answer
    x = 360,355.43

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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.