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Finding the Fourth Proportional to 577,178.40, 796,504.32 and 322,529.52

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Solution

The fourth proportional to 577,178.40, 796,504.32 and 322,529.52 is: 445,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,178.40 : 796,504.32 = 322,529.52 : x
  2. Step 2: Convert to fraction form
    577,178.40/796,504.32 = 322,529.52/x
  3. Step 3: Cross multiply
    577,178.40x = 796,504.32 × 322,529.52
  4. Step 4: Simplify right side
    577,178.40x = 256,896,156,007.53
  5. Step 5: Solve for x
    x = 256,896,156,007.53/577,178.40
  6. Step 6: Final answer
    x = 445,089.69

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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.