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Finding the Fourth Proportional to 353,610.66, 530,465.48 and 113,643.92

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Solution

The fourth proportional to 353,610.66, 530,465.48 and 113,643.92 is: 170,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,610.66 : 530,465.48 = 113,643.92 : x
  2. Step 2: Convert to fraction form
    353,610.66/530,465.48 = 113,643.92/x
  3. Step 3: Cross multiply
    353,610.66x = 530,465.48 × 113,643.92
  4. Step 4: Simplify right side
    353,610.66x = 60,284,176,571.88
  5. Step 5: Solve for x
    x = 60,284,176,571.88/353,610.66
  6. Step 6: Final answer
    x = 170,481.79

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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.