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Finding the Fourth Proportional to 577,134.72, 796,444.25 and 322,486.11

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Solution

The fourth proportional to 577,134.72, 796,444.25 and 322,486.11 is: 445,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,134.72 : 796,444.25 = 322,486.11 : x
  2. Step 2: Convert to fraction form
    577,134.72/796,444.25 = 322,486.11/x
  3. Step 3: Cross multiply
    577,134.72x = 796,444.25 × 322,486.11
  4. Step 4: Simplify right side
    577,134.72x = 256,842,206,401.94
  5. Step 5: Solve for x
    x = 256,842,206,401.94/577,134.72
  6. Step 6: Final answer
    x = 445,029.90

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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.