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Finding the Fourth Proportional to 503,689.92, 755,353.44 and 166,668.36

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Solution

The fourth proportional to 503,689.92, 755,353.44 and 166,668.36 is: 249,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,689.92 : 755,353.44 = 166,668.36 : x
  2. Step 2: Convert to fraction form
    503,689.92/755,353.44 = 166,668.36/x
  3. Step 3: Cross multiply
    503,689.92x = 755,353.44 × 166,668.36
  4. Step 4: Simplify right side
    503,689.92x = 125,893,519,065.16
  5. Step 5: Solve for x
    x = 125,893,519,065.16/503,689.92
  6. Step 6: Final answer
    x = 249,942.50

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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.