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Finding the Fourth Proportional to 585,398.79, 878,393.43 and 230,667.39

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Solution

The fourth proportional to 585,398.79, 878,393.43 and 230,667.39 is: 346,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,398.79 : 878,393.43 = 230,667.39 : x
  2. Step 2: Convert to fraction form
    585,398.79/878,393.43 = 230,667.39/x
  3. Step 3: Cross multiply
    585,398.79x = 878,393.43 × 230,667.39
  4. Step 4: Simplify right side
    585,398.79x = 202,616,719,891.25
  5. Step 5: Solve for x
    x = 202,616,719,891.25/585,398.79
  6. Step 6: Final answer
    x = 346,117.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.