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Finding the Fourth Proportional to 404,713.92, 558,506.15 and 223,425.97

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Solution

The fourth proportional to 404,713.92, 558,506.15 and 223,425.97 is: 308,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,713.92 : 558,506.15 = 223,425.97 : x
  2. Step 2: Convert to fraction form
    404,713.92/558,506.15 = 223,425.97/x
  3. Step 3: Cross multiply
    404,713.92x = 558,506.15 × 223,425.97
  4. Step 4: Simplify right side
    404,713.92x = 124,784,778,524.16
  5. Step 5: Solve for x
    x = 124,784,778,524.16/404,713.92
  6. Step 6: Final answer
    x = 308,328.36

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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.