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Finding the Fourth Proportional to 568,689.25, 785,046.59 and 375,210.83

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Solution

The fourth proportional to 568,689.25, 785,046.59 and 375,210.83 is: 517,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,689.25 : 785,046.59 = 375,210.83 : x
  2. Step 2: Convert to fraction form
    568,689.25/785,046.59 = 375,210.83/x
  3. Step 3: Cross multiply
    568,689.25x = 785,046.59 × 375,210.83
  4. Step 4: Simplify right side
    568,689.25x = 294,557,982,622.57
  5. Step 5: Solve for x
    x = 294,557,982,622.57/568,689.25
  6. Step 6: Final answer
    x = 517,959.47

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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.