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Finding the Fourth Proportional to 569.88, 786.79 and 413.03

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Solution

The fourth proportional to 569.88, 786.79 and 413.03 is: 570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.88 : 786.79 = 413.03 : x
  2. Step 2: Convert to fraction form
    569.88/786.79 = 413.03/x
  3. Step 3: Cross multiply
    569.88x = 786.79 × 413.03
  4. Step 4: Simplify right side
    569.88x = 324,962.91
  5. Step 5: Solve for x
    x = 324,962.91/569.88
  6. Step 6: Final answer
    x = 570.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.