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Finding the Fourth Proportional to 404,390.93, 558,055.62 and 223,104.32

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Solution

The fourth proportional to 404,390.93, 558,055.62 and 223,104.32 is: 307,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,390.93 : 558,055.62 = 223,104.32 : x
  2. Step 2: Convert to fraction form
    404,390.93/558,055.62 = 223,104.32/x
  3. Step 3: Cross multiply
    404,390.93x = 558,055.62 × 223,104.32
  4. Step 4: Simplify right side
    404,390.93x = 124,504,616,832.00
  5. Step 5: Solve for x
    x = 124,504,616,832.00/404,390.93
  6. Step 6: Final answer
    x = 307,881.83

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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.