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Finding the Fourth Proportional to 373,413.61, 559,945.38 and 136,590.67

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Solution

The fourth proportional to 373,413.61, 559,945.38 and 136,590.67 is: 204,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,413.61 : 559,945.38 = 136,590.67 : x
  2. Step 2: Convert to fraction form
    373,413.61/559,945.38 = 136,590.67/x
  3. Step 3: Cross multiply
    373,413.61x = 559,945.38 × 136,590.67
  4. Step 4: Simplify right side
    373,413.61x = 76,483,311,817.88
  5. Step 5: Solve for x
    x = 76,483,311,817.88/373,413.61
  6. Step 6: Final answer
    x = 204,821.97

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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.