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Finding the Fourth Proportional to 693,341, 1,040,011.50 and 168,029

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Solution

The fourth proportional to 693,341, 1,040,011.50 and 168,029 is: 252,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,341 : 1,040,011.50 = 168,029 : x
  2. Step 2: Convert to fraction form
    693,341/1,040,011.50 = 168,029/x
  3. Step 3: Cross multiply
    693,341x = 1,040,011.50 × 168,029
  4. Step 4: Simplify right side
    693,341x = 174,752,092,333.50
  5. Step 5: Solve for x
    x = 174,752,092,333.50/693,341
  6. Step 6: Final answer
    x = 252,043.50

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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.