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Finding the Fourth Proportional to 356,408.90, 534,568.73 and 116,502.69

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Solution

The fourth proportional to 356,408.90, 534,568.73 and 116,502.69 is: 174,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,408.90 : 534,568.73 = 116,502.69 : x
  2. Step 2: Convert to fraction form
    356,408.90/534,568.73 = 116,502.69/x
  3. Step 3: Cross multiply
    356,408.90x = 534,568.73 × 116,502.69
  4. Step 4: Simplify right side
    356,408.90x = 62,278,695,034.88
  5. Step 5: Solve for x
    x = 62,278,695,034.88/356,408.90
  6. Step 6: Final answer
    x = 174,739.45

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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.