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Finding the Fourth Proportional to 604,974.60, 907,392.70 and 161,777.16

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Solution

The fourth proportional to 604,974.60, 907,392.70 and 161,777.16 is: 242,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,974.60 : 907,392.70 = 161,777.16 : x
  2. Step 2: Convert to fraction form
    604,974.60/907,392.70 = 161,777.16/x
  3. Step 3: Cross multiply
    604,974.60x = 907,392.70 × 161,777.16
  4. Step 4: Simplify right side
    604,974.60x = 146,795,414,010.73
  5. Step 5: Solve for x
    x = 146,795,414,010.73/604,974.60
  6. Step 6: Final answer
    x = 242,647.24

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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.