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Finding the Fourth Proportional to 577,122.86, 796,433.55 and 322,484.78

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Solution

The fourth proportional to 577,122.86, 796,433.55 and 322,484.78 is: 445,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,122.86 : 796,433.55 = 322,484.78 : x
  2. Step 2: Convert to fraction form
    577,122.86/796,433.55 = 322,484.78/x
  3. Step 3: Cross multiply
    577,122.86x = 796,433.55 × 322,484.78
  4. Step 4: Simplify right side
    577,122.86x = 256,837,698,156.37
  5. Step 5: Solve for x
    x = 256,837,698,156.37/577,122.86
  6. Step 6: Final answer
    x = 445,031.23

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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.