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Finding the Fourth Proportional to 577,839.60, 866,413.80 and 297,903.60

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Solution

The fourth proportional to 577,839.60, 866,413.80 and 297,903.60 is: 446,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,839.60 : 866,413.80 = 297,903.60 : x
  2. Step 2: Convert to fraction form
    577,839.60/866,413.80 = 297,903.60/x
  3. Step 3: Cross multiply
    577,839.60x = 866,413.80 × 297,903.60
  4. Step 4: Simplify right side
    577,839.60x = 258,107,790,109.68
  5. Step 5: Solve for x
    x = 258,107,790,109.68/577,839.60
  6. Step 6: Final answer
    x = 446,677.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.