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Finding the Fourth Proportional to 476,446.79, 714,679.40 and 116,620.79

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Solution

The fourth proportional to 476,446.79, 714,679.40 and 116,620.79 is: 174,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,446.79 : 714,679.40 = 116,620.79 : x
  2. Step 2: Convert to fraction form
    476,446.79/714,679.40 = 116,620.79/x
  3. Step 3: Cross multiply
    476,446.79x = 714,679.40 × 116,620.79
  4. Step 4: Simplify right side
    476,446.79x = 83,346,472,942.88
  5. Step 5: Solve for x
    x = 83,346,472,942.88/476,446.79
  6. Step 6: Final answer
    x = 174,933.43

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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.