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Finding the Fourth Proportional to 353,447.66, 530,208.35 and 113,500.96

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Solution

The fourth proportional to 353,447.66, 530,208.35 and 113,500.96 is: 170,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,447.66 : 530,208.35 = 113,500.96 : x
  2. Step 2: Convert to fraction form
    353,447.66/530,208.35 = 113,500.96/x
  3. Step 3: Cross multiply
    353,447.66x = 530,208.35 × 113,500.96
  4. Step 4: Simplify right side
    353,447.66x = 60,179,155,257.62
  5. Step 5: Solve for x
    x = 60,179,155,257.62/353,447.66
  6. Step 6: Final answer
    x = 170,263.27

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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.