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Finding the Fourth Proportional to 404,658.93, 558,426.18 and 223,370.92

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Solution

The fourth proportional to 404,658.93, 558,426.18 and 223,370.92 is: 308,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,658.93 : 558,426.18 = 223,370.92 : x
  2. Step 2: Convert to fraction form
    404,658.93/558,426.18 = 223,370.92/x
  3. Step 3: Cross multiply
    404,658.93x = 558,426.18 × 223,370.92
  4. Step 4: Simplify right side
    404,658.93x = 124,736,169,578.69
  5. Step 5: Solve for x
    x = 124,736,169,578.69/404,658.93
  6. Step 6: Final answer
    x = 308,250.13

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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.