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Finding the Fourth Proportional to 368,914.02, 508,908.78 and 232,899

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Solution

The fourth proportional to 368,914.02, 508,908.78 and 232,899 is: 321,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,914.02 : 508,908.78 = 232,899 : x
  2. Step 2: Convert to fraction form
    368,914.02/508,908.78 = 232,899/x
  3. Step 3: Cross multiply
    368,914.02x = 508,908.78 × 232,899
  4. Step 4: Simplify right side
    368,914.02x = 118,524,345,953.22
  5. Step 5: Solve for x
    x = 118,524,345,953.22/368,914.02
  6. Step 6: Final answer
    x = 321,279.05

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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.