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Finding the Fourth Proportional to 404,641.20, 558,321.36 and 232,525.92

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Solution

The fourth proportional to 404,641.20, 558,321.36 and 232,525.92 is: 320,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,641.20 : 558,321.36 = 232,525.92 : x
  2. Step 2: Convert to fraction form
    404,641.20/558,321.36 = 232,525.92/x
  3. Step 3: Cross multiply
    404,641.20x = 558,321.36 × 232,525.92
  4. Step 4: Simplify right side
    404,641.20x = 129,824,187,889.65
  5. Step 5: Solve for x
    x = 129,824,187,889.65/404,641.20
  6. Step 6: Final answer
    x = 320,837.79

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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.