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Finding the Fourth Proportional to 404,710.15, 558,500.82 and 223,422.33

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Solution

The fourth proportional to 404,710.15, 558,500.82 and 223,422.33 is: 308,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,710.15 : 558,500.82 = 223,422.33 : x
  2. Step 2: Convert to fraction form
    404,710.15/558,500.82 = 223,422.33/x
  3. Step 3: Cross multiply
    404,710.15x = 558,500.82 × 223,422.33
  4. Step 4: Simplify right side
    404,710.15x = 124,781,554,511.31
  5. Step 5: Solve for x
    x = 124,781,554,511.31/404,710.15
  6. Step 6: Final answer
    x = 308,323.26

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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.