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Finding the Fourth Proportional to 436,167.60, 654,249.24 and 116,318.76

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Solution

The fourth proportional to 436,167.60, 654,249.24 and 116,318.76 is: 174,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,167.60 : 654,249.24 = 116,318.76 : x
  2. Step 2: Convert to fraction form
    436,167.60/654,249.24 = 116,318.76/x
  3. Step 3: Cross multiply
    436,167.60x = 654,249.24 × 116,318.76
  4. Step 4: Simplify right side
    436,167.60x = 76,101,460,327.74
  5. Step 5: Solve for x
    x = 76,101,460,327.74/436,167.60
  6. Step 6: Final answer
    x = 174,477.56

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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.