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Finding the Fourth Proportional to 934,380, 1,401,804.09 and 269,532

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Solution

The fourth proportional to 934,380, 1,401,804.09 and 269,532 is: 404,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,380 : 1,401,804.09 = 269,532 : x
  2. Step 2: Convert to fraction form
    934,380/1,401,804.09 = 269,532/x
  3. Step 3: Cross multiply
    934,380x = 1,401,804.09 × 269,532
  4. Step 4: Simplify right side
    934,380x = 377,831,059,985.88
  5. Step 5: Solve for x
    x = 377,831,059,985.88/934,380
  6. Step 6: Final answer
    x = 404,365.53

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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.