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Finding the Fourth Proportional to 404,660.84, 558,432.07 and 223,372.89

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Solution

The fourth proportional to 404,660.84, 558,432.07 and 223,372.89 is: 308,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,660.84 : 558,432.07 = 223,372.89 : x
  2. Step 2: Convert to fraction form
    404,660.84/558,432.07 = 223,372.89/x
  3. Step 3: Cross multiply
    404,660.84x = 558,432.07 × 223,372.89
  4. Step 4: Simplify right side
    404,660.84x = 124,738,585,344.58
  5. Step 5: Solve for x
    x = 124,738,585,344.58/404,660.84
  6. Step 6: Final answer
    x = 308,254.65

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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.