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Finding the Fourth Proportional to 404,762.46, 558,572.94 and 223,474.74

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Solution

The fourth proportional to 404,762.46, 558,572.94 and 223,474.74 is: 308,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,762.46 : 558,572.94 = 223,474.74 : x
  2. Step 2: Convert to fraction form
    404,762.46/558,572.94 = 223,474.74/x
  3. Step 3: Cross multiply
    404,762.46x = 558,572.94 × 223,474.74
  4. Step 4: Simplify right side
    404,762.46x = 124,826,942,537.54
  5. Step 5: Solve for x
    x = 124,826,942,537.54/404,762.46
  6. Step 6: Final answer
    x = 308,395.55

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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.