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Finding the Fourth Proportional to 424,067.40, 585,203.03 and 230,470.52

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Solution

The fourth proportional to 424,067.40, 585,203.03 and 230,470.52 is: 318,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,067.40 : 585,203.03 = 230,470.52 : x
  2. Step 2: Convert to fraction form
    424,067.40/585,203.03 = 230,470.52/x
  3. Step 3: Cross multiply
    424,067.40x = 585,203.03 × 230,470.52
  4. Step 4: Simplify right side
    424,067.40x = 134,872,043,415.57
  5. Step 5: Solve for x
    x = 134,872,043,415.57/424,067.40
  6. Step 6: Final answer
    x = 318,043.89

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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.