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Finding the Fourth Proportional to 625,337.15, 939,260.97 and 373,109.85

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Solution

The fourth proportional to 625,337.15, 939,260.97 and 373,109.85 is: 560,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,337.15 : 939,260.97 = 373,109.85 : x
  2. Step 2: Convert to fraction form
    625,337.15/939,260.97 = 373,109.85/x
  3. Step 3: Cross multiply
    625,337.15x = 939,260.97 × 373,109.85
  4. Step 4: Simplify right side
    625,337.15x = 350,447,519,627.55
  5. Step 5: Solve for x
    x = 350,447,519,627.55/625,337.15
  6. Step 6: Final answer
    x = 560,413.73

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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.