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Finding the Fourth Proportional to 515,911.16, 773,711.22 and 183,467

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Solution

The fourth proportional to 515,911.16, 773,711.22 and 183,467 is: 275,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,911.16 : 773,711.22 = 183,467 : x
  2. Step 2: Convert to fraction form
    515,911.16/773,711.22 = 183,467/x
  3. Step 3: Cross multiply
    515,911.16x = 773,711.22 × 183,467
  4. Step 4: Simplify right side
    515,911.16x = 141,950,476,399.74
  5. Step 5: Solve for x
    x = 141,950,476,399.74/515,911.16
  6. Step 6: Final answer
    x = 275,145.19

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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.