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Finding the Fourth Proportional to 577,219.93, 796,494.50 and 319,062.01

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Solution

The fourth proportional to 577,219.93, 796,494.50 and 319,062.01 is: 440,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,219.93 : 796,494.50 = 319,062.01 : x
  2. Step 2: Convert to fraction form
    577,219.93/796,494.50 = 319,062.01/x
  3. Step 3: Cross multiply
    577,219.93x = 796,494.50 × 319,062.01
  4. Step 4: Simplify right side
    577,219.93x = 254,131,136,123.95
  5. Step 5: Solve for x
    x = 254,131,136,123.95/577,219.93
  6. Step 6: Final answer
    x = 440,267.43

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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.