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Finding the Fourth Proportional to 375,704.73, 518,212.38 and 232,379.69

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Solution

The fourth proportional to 375,704.73, 518,212.38 and 232,379.69 is: 320,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,704.73 : 518,212.38 = 232,379.69 : x
  2. Step 2: Convert to fraction form
    375,704.73/518,212.38 = 232,379.69/x
  3. Step 3: Cross multiply
    375,704.73x = 518,212.38 × 232,379.69
  4. Step 4: Simplify right side
    375,704.73x = 120,422,030,498.92
  5. Step 5: Solve for x
    x = 120,422,030,498.92/375,704.73
  6. Step 6: Final answer
    x = 320,523.06

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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.