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Finding the Fourth Proportional to 333,900.90, 500,511.15 and 165,161.70

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Solution

The fourth proportional to 333,900.90, 500,511.15 and 165,161.70 is: 247,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,900.90 : 500,511.15 = 165,161.70 : x
  2. Step 2: Convert to fraction form
    333,900.90/500,511.15 = 165,161.70/x
  3. Step 3: Cross multiply
    333,900.90x = 500,511.15 × 165,161.70
  4. Step 4: Simplify right side
    333,900.90x = 82,665,272,402.96
  5. Step 5: Solve for x
    x = 82,665,272,402.96/333,900.90
  6. Step 6: Final answer
    x = 247,574.27

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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.