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Finding the Fourth Proportional to 404,584.80, 558,324.26 and 223,296.72

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Solution

The fourth proportional to 404,584.80, 558,324.26 and 223,296.72 is: 308,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,584.80 : 558,324.26 = 223,296.72 : x
  2. Step 2: Convert to fraction form
    404,584.80/558,324.26 = 223,296.72/x
  3. Step 3: Cross multiply
    404,584.80x = 558,324.26 × 223,296.72
  4. Step 4: Simplify right side
    404,584.80x = 124,671,975,675.31
  5. Step 5: Solve for x
    x = 124,671,975,675.31/404,584.80
  6. Step 6: Final answer
    x = 308,147.95

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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.