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Finding the Fourth Proportional to 288,904.80, 433,481.27 and 111,536.37

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Solution

The fourth proportional to 288,904.80, 433,481.27 and 111,536.37 is: 167,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,904.80 : 433,481.27 = 111,536.37 : x
  2. Step 2: Convert to fraction form
    288,904.80/433,481.27 = 111,536.37/x
  3. Step 3: Cross multiply
    288,904.80x = 433,481.27 × 111,536.37
  4. Step 4: Simplify right side
    288,904.80x = 48,348,926,761.11
  5. Step 5: Solve for x
    x = 48,348,926,761.11/288,904.80
  6. Step 6: Final answer
    x = 167,352.45

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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.