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Finding the Fourth Proportional to 297,858.47, 411,047.44 and 161,892.73

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Solution

The fourth proportional to 297,858.47, 411,047.44 and 161,892.73 is: 223,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,858.47 : 411,047.44 = 161,892.73 : x
  2. Step 2: Convert to fraction form
    297,858.47/411,047.44 = 161,892.73/x
  3. Step 3: Cross multiply
    297,858.47x = 411,047.44 × 161,892.73
  4. Step 4: Simplify right side
    297,858.47x = 66,545,590,788.76
  5. Step 5: Solve for x
    x = 66,545,590,788.76/297,858.47
  6. Step 6: Final answer
    x = 223,413.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.