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Finding the Fourth Proportional to 404,473.52, 558,172.80 and 223,185.30

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Solution

The fourth proportional to 404,473.52, 558,172.80 and 223,185.30 is: 307,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,473.52 : 558,172.80 = 223,185.30 : x
  2. Step 2: Convert to fraction form
    404,473.52/558,172.80 = 223,185.30/x
  3. Step 3: Cross multiply
    404,473.52x = 558,172.80 × 223,185.30
  4. Step 4: Simplify right side
    404,473.52x = 124,575,963,819.84
  5. Step 5: Solve for x
    x = 124,575,963,819.84/404,473.52
  6. Step 6: Final answer
    x = 307,995.35

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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.