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Finding the Fourth Proportional to 577,255.60, 796,637.33 and 322,606.78

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Solution

The fourth proportional to 577,255.60, 796,637.33 and 322,606.78 is: 445,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,255.60 : 796,637.33 = 322,606.78 : x
  2. Step 2: Convert to fraction form
    577,255.60/796,637.33 = 322,606.78/x
  3. Step 3: Cross multiply
    577,255.60x = 796,637.33 × 322,606.78
  4. Step 4: Simplify right side
    577,255.60x = 257,000,603,859.10
  5. Step 5: Solve for x
    x = 257,000,603,859.10/577,255.60
  6. Step 6: Final answer
    x = 445,211.11

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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.