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Finding the Fourth Proportional to 404,611.02, 558,365.22 and 223,323.30

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Solution

The fourth proportional to 404,611.02, 558,365.22 and 223,323.30 is: 308,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,611.02 : 558,365.22 = 223,323.30 : x
  2. Step 2: Convert to fraction form
    404,611.02/558,365.22 = 223,323.30/x
  3. Step 3: Cross multiply
    404,611.02x = 558,365.22 × 223,323.30
  4. Step 4: Simplify right side
    404,611.02x = 124,695,963,535.63
  5. Step 5: Solve for x
    x = 124,695,963,535.63/404,611.02
  6. Step 6: Final answer
    x = 308,187.26

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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.