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Finding the Fourth Proportional to 404,797.90, 558,610.46 and 223,505.93

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Solution

The fourth proportional to 404,797.90, 558,610.46 and 223,505.93 is: 308,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,797.90 : 558,610.46 = 223,505.93 : x
  2. Step 2: Convert to fraction form
    404,797.90/558,610.46 = 223,505.93/x
  3. Step 3: Cross multiply
    404,797.90x = 558,610.46 × 223,505.93
  4. Step 4: Simplify right side
    404,797.90x = 124,852,750,370.03
  5. Step 5: Solve for x
    x = 124,852,750,370.03/404,797.90
  6. Step 6: Final answer
    x = 308,432.31

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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.