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Finding the Fourth Proportional to 923,202, 1,274,062.77 and 520,794

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Solution

The fourth proportional to 923,202, 1,274,062.77 and 520,794 is: 718,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,202 : 1,274,062.77 = 520,794 : x
  2. Step 2: Convert to fraction form
    923,202/1,274,062.77 = 520,794/x
  3. Step 3: Cross multiply
    923,202x = 1,274,062.77 × 520,794
  4. Step 4: Simplify right side
    923,202x = 663,524,246,239.38
  5. Step 5: Solve for x
    x = 663,524,246,239.38/923,202
  6. Step 6: Final answer
    x = 718,720.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.