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Finding the Fourth Proportional to 577,320.01, 796,729.42 and 319,192.19

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Solution

The fourth proportional to 577,320.01, 796,729.42 and 319,192.19 is: 440,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,320.01 : 796,729.42 = 319,192.19 : x
  2. Step 2: Convert to fraction form
    577,320.01/796,729.42 = 319,192.19/x
  3. Step 3: Cross multiply
    577,320.01x = 796,729.42 × 319,192.19
  4. Step 4: Simplify right side
    577,320.01x = 254,309,810,496.46
  5. Step 5: Solve for x
    x = 254,309,810,496.46/577,320.01
  6. Step 6: Final answer
    x = 440,500.60

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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.