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Finding the Fourth Proportional to 453,383.30, 625,713.11 and 338,462.39

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Solution

The fourth proportional to 453,383.30, 625,713.11 and 338,462.39 is: 467,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,383.30 : 625,713.11 = 338,462.39 : x
  2. Step 2: Convert to fraction form
    453,383.30/625,713.11 = 338,462.39/x
  3. Step 3: Cross multiply
    453,383.30x = 625,713.11 × 338,462.39
  4. Step 4: Simplify right side
    453,383.30x = 211,780,349,844.06
  5. Step 5: Solve for x
    x = 211,780,349,844.06/453,383.30
  6. Step 6: Final answer
    x = 467,111.06

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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.