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Finding the Fourth Proportional to 585,399.79, 878,394.93 and 230,668.39

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Solution

The fourth proportional to 585,399.79, 878,394.93 and 230,668.39 is: 346,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,399.79 : 878,394.93 = 230,668.39 : x
  2. Step 2: Convert to fraction form
    585,399.79/878,394.93 = 230,668.39/x
  3. Step 3: Cross multiply
    585,399.79x = 878,394.93 × 230,668.39
  4. Step 4: Simplify right side
    585,399.79x = 202,617,944,287.26
  5. Step 5: Solve for x
    x = 202,617,944,287.26/585,399.79
  6. Step 6: Final answer
    x = 346,118.92

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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.