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Finding the Fourth Proportional to 538,363.20, 807,654.15 and 183,413.10

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Solution

The fourth proportional to 538,363.20, 807,654.15 and 183,413.10 is: 275,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,363.20 : 807,654.15 = 183,413.10 : x
  2. Step 2: Convert to fraction form
    538,363.20/807,654.15 = 183,413.10/x
  3. Step 3: Cross multiply
    538,363.20x = 807,654.15 × 183,413.10
  4. Step 4: Simplify right side
    538,363.20x = 148,134,351,379.37
  5. Step 5: Solve for x
    x = 148,134,351,379.37/538,363.20
  6. Step 6: Final answer
    x = 275,156.90

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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.