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Finding the Fourth Proportional to 352,357.50, 486,254.63 and 191,212.52

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Solution

The fourth proportional to 352,357.50, 486,254.63 and 191,212.52 is: 263,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,357.50 : 486,254.63 = 191,212.52 : x
  2. Step 2: Convert to fraction form
    352,357.50/486,254.63 = 191,212.52/x
  3. Step 3: Cross multiply
    352,357.50x = 486,254.63 × 191,212.52
  4. Step 4: Simplify right side
    352,357.50x = 92,977,971,210.73
  5. Step 5: Solve for x
    x = 92,977,971,210.73/352,357.50
  6. Step 6: Final answer
    x = 263,873.96

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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.