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Finding the Fourth Proportional to 482,388.75, 723,413.52 and 197,996.94

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Solution

The fourth proportional to 482,388.75, 723,413.52 and 197,996.94 is: 296,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,388.75 : 723,413.52 = 197,996.94 : x
  2. Step 2: Convert to fraction form
    482,388.75/723,413.52 = 197,996.94/x
  3. Step 3: Cross multiply
    482,388.75x = 723,413.52 × 197,996.94
  4. Step 4: Simplify right side
    482,388.75x = 143,233,663,314.63
  5. Step 5: Solve for x
    x = 143,233,663,314.63/482,388.75
  6. Step 6: Final answer
    x = 296,925.80

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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.