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Finding the Fourth Proportional to 322,424.01, 444,909.78 and 186,437.43

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Solution

The fourth proportional to 322,424.01, 444,909.78 and 186,437.43 is: 257,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,424.01 : 444,909.78 = 186,437.43 : x
  2. Step 2: Convert to fraction form
    322,424.01/444,909.78 = 186,437.43/x
  3. Step 3: Cross multiply
    322,424.01x = 444,909.78 × 186,437.43
  4. Step 4: Simplify right side
    322,424.01x = 82,947,835,965.07
  5. Step 5: Solve for x
    x = 82,947,835,965.07/322,424.01
  6. Step 6: Final answer
    x = 257,263.21

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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.