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Finding the Fourth Proportional to 577,063.52, 796,322.87 and 318,927.12

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Solution

The fourth proportional to 577,063.52, 796,322.87 and 318,927.12 is: 440,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,063.52 : 796,322.87 = 318,927.12 : x
  2. Step 2: Convert to fraction form
    577,063.52/796,322.87 = 318,927.12/x
  3. Step 3: Cross multiply
    577,063.52x = 796,322.87 × 318,927.12
  4. Step 4: Simplify right side
    577,063.52x = 253,968,961,510.66
  5. Step 5: Solve for x
    x = 253,968,961,510.66/577,063.52
  6. Step 6: Final answer
    x = 440,105.73

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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.