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Finding the Fourth Proportional to 923,205, 1,274,066.91 and 520,797

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Solution

The fourth proportional to 923,205, 1,274,066.91 and 520,797 is: 718,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,205 : 1,274,066.91 = 520,797 : x
  2. Step 2: Convert to fraction form
    923,205/1,274,066.91 = 520,797/x
  3. Step 3: Cross multiply
    923,205x = 1,274,066.91 × 520,797
  4. Step 4: Simplify right side
    923,205x = 663,530,224,527.27
  5. Step 5: Solve for x
    x = 663,530,224,527.27/923,205
  6. Step 6: Final answer
    x = 718,724.69

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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.