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Finding the Fourth Proportional to 404,643.20, 558,324.12 and 232,527.92

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Solution

The fourth proportional to 404,643.20, 558,324.12 and 232,527.92 is: 320,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,643.20 : 558,324.12 = 232,527.92 : x
  2. Step 2: Convert to fraction form
    404,643.20/558,324.12 = 232,527.92/x
  3. Step 3: Cross multiply
    404,643.20x = 558,324.12 × 232,527.92
  4. Step 4: Simplify right side
    404,643.20x = 129,825,946,309.43
  5. Step 5: Solve for x
    x = 129,825,946,309.43/404,643.20
  6. Step 6: Final answer
    x = 320,840.55

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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.