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Finding the Fourth Proportional to 622,551, 932,330.10 and 355,503

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Solution

The fourth proportional to 622,551, 932,330.10 and 355,503 is: 532,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,551 : 932,330.10 = 355,503 : x
  2. Step 2: Convert to fraction form
    622,551/932,330.10 = 355,503/x
  3. Step 3: Cross multiply
    622,551x = 932,330.10 × 355,503
  4. Step 4: Simplify right side
    622,551x = 331,446,147,540.30
  5. Step 5: Solve for x
    x = 331,446,147,540.30/622,551
  6. Step 6: Final answer
    x = 532,399.99

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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.