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Finding the Fourth Proportional to 568,987.80, 785,197.26 and 314,322.36

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Solution

The fourth proportional to 568,987.80, 785,197.26 and 314,322.36 is: 433,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,987.80 : 785,197.26 = 314,322.36 : x
  2. Step 2: Convert to fraction form
    568,987.80/785,197.26 = 314,322.36/x
  3. Step 3: Cross multiply
    568,987.80x = 785,197.26 × 314,322.36
  4. Step 4: Simplify right side
    568,987.80x = 246,805,055,828.73
  5. Step 5: Solve for x
    x = 246,805,055,828.73/568,987.80
  6. Step 6: Final answer
    x = 433,761.60

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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.