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Finding the Fourth Proportional to 404,566.44, 558,301.28 and 223,278.47

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Solution

The fourth proportional to 404,566.44, 558,301.28 and 223,278.47 is: 308,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,566.44 : 558,301.28 = 223,278.47 : x
  2. Step 2: Convert to fraction form
    404,566.44/558,301.28 = 223,278.47/x
  3. Step 3: Cross multiply
    404,566.44x = 558,301.28 × 223,278.47
  4. Step 4: Simplify right side
    404,566.44x = 124,656,653,364.13
  5. Step 5: Solve for x
    x = 124,656,653,364.13/404,566.44
  6. Step 6: Final answer
    x = 308,124.06

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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.