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Finding the Fourth Proportional to 399,994.65, 552,131.52 and 230,296.41

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Solution

The fourth proportional to 399,994.65, 552,131.52 and 230,296.41 is: 317,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,994.65 : 552,131.52 = 230,296.41 : x
  2. Step 2: Convert to fraction form
    399,994.65/552,131.52 = 230,296.41/x
  3. Step 3: Cross multiply
    399,994.65x = 552,131.52 × 230,296.41
  4. Step 4: Simplify right side
    399,994.65x = 127,153,906,903.84
  5. Step 5: Solve for x
    x = 127,153,906,903.84/399,994.65
  6. Step 6: Final answer
    x = 317,889.02

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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.