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Finding the Fourth Proportional to 426,069.99, 588,413.97 and 353,734.83

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Solution

The fourth proportional to 426,069.99, 588,413.97 and 353,734.83 is: 488,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,069.99 : 588,413.97 = 353,734.83 : x
  2. Step 2: Convert to fraction form
    426,069.99/588,413.97 = 353,734.83/x
  3. Step 3: Cross multiply
    426,069.99x = 588,413.97 × 353,734.83
  4. Step 4: Simplify right side
    426,069.99x = 208,142,515,647.58
  5. Step 5: Solve for x
    x = 208,142,515,647.58/426,069.99
  6. Step 6: Final answer
    x = 488,517.19

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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.