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Finding the Fourth Proportional to 535,703.22, 803,559.69 and 136,344.47

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Solution

The fourth proportional to 535,703.22, 803,559.69 and 136,344.47 is: 204,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,703.22 : 803,559.69 = 136,344.47 : x
  2. Step 2: Convert to fraction form
    535,703.22/803,559.69 = 136,344.47/x
  3. Step 3: Cross multiply
    535,703.22x = 803,559.69 × 136,344.47
  4. Step 4: Simplify right side
    535,703.22x = 109,560,916,028.62
  5. Step 5: Solve for x
    x = 109,560,916,028.62/535,703.22
  6. Step 6: Final answer
    x = 204,517.93

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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.