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Finding the Fourth Proportional to 934,381, 1,401,805.59 and 269,533

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Solution

The fourth proportional to 934,381, 1,401,805.59 and 269,533 is: 404,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,381 : 1,401,805.59 = 269,533 : x
  2. Step 2: Convert to fraction form
    934,381/1,401,805.59 = 269,533/x
  3. Step 3: Cross multiply
    934,381x = 1,401,805.59 × 269,533
  4. Step 4: Simplify right side
    934,381x = 377,832,866,089.47
  5. Step 5: Solve for x
    x = 377,832,866,089.47/934,381
  6. Step 6: Final answer
    x = 404,367.03

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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.