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Finding the Fourth Proportional to 599,390.76, 899,217.58 and 225,413.80

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Solution

The fourth proportional to 599,390.76, 899,217.58 and 225,413.80 is: 338,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,390.76 : 899,217.58 = 225,413.80 : x
  2. Step 2: Convert to fraction form
    599,390.76/899,217.58 = 225,413.80/x
  3. Step 3: Cross multiply
    599,390.76x = 899,217.58 × 225,413.80
  4. Step 4: Simplify right side
    599,390.76x = 202,696,051,734.60
  5. Step 5: Solve for x
    x = 202,696,051,734.60/599,390.76
  6. Step 6: Final answer
    x = 338,170.13

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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.