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Finding the Fourth Proportional to 404,425.94, 558,106.18 and 223,149.14

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Solution

The fourth proportional to 404,425.94, 558,106.18 and 223,149.14 is: 307,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,425.94 : 558,106.18 = 223,149.14 : x
  2. Step 2: Convert to fraction form
    404,425.94/558,106.18 = 223,149.14/x
  3. Step 3: Cross multiply
    404,425.94x = 558,106.18 × 223,149.14
  4. Step 4: Simplify right side
    404,425.94x = 124,540,914,095.69
  5. Step 5: Solve for x
    x = 124,540,914,095.69/404,425.94
  6. Step 6: Final answer
    x = 307,944.92

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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.