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Finding the Fourth Proportional to 404,922.60, 558,782.48 and 223,630.64

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Solution

The fourth proportional to 404,922.60, 558,782.48 and 223,630.64 is: 308,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,922.60 : 558,782.48 = 223,630.64 : x
  2. Step 2: Convert to fraction form
    404,922.60/558,782.48 = 223,630.64/x
  3. Step 3: Cross multiply
    404,922.60x = 558,782.48 × 223,630.64
  4. Step 4: Simplify right side
    404,922.60x = 124,960,883,623.19
  5. Step 5: Solve for x
    x = 124,960,883,623.19/404,922.60
  6. Step 6: Final answer
    x = 308,604.37

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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.