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Finding the Fourth Proportional to 353,631, 530,557.17 and 227,413.77

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Solution

The fourth proportional to 353,631, 530,557.17 and 227,413.77 is: 341,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,631 : 530,557.17 = 227,413.77 : x
  2. Step 2: Convert to fraction form
    353,631/530,557.17 = 227,413.77/x
  3. Step 3: Cross multiply
    353,631x = 530,557.17 × 227,413.77
  4. Step 4: Simplify right side
    353,631x = 120,656,006,230.23
  5. Step 5: Solve for x
    x = 120,656,006,230.23/353,631
  6. Step 6: Final answer
    x = 341,191.82

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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.