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Finding the Fourth Proportional to 450,992.08, 622,342.49 and 247,002.38

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Solution

The fourth proportional to 450,992.08, 622,342.49 and 247,002.38 is: 340,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,992.08 : 622,342.49 = 247,002.38 : x
  2. Step 2: Convert to fraction form
    450,992.08/622,342.49 = 247,002.38/x
  3. Step 3: Cross multiply
    450,992.08x = 622,342.49 × 247,002.38
  4. Step 4: Simplify right side
    450,992.08x = 153,720,071,858.40
  5. Step 5: Solve for x
    x = 153,720,071,858.40/450,992.08
  6. Step 6: Final answer
    x = 340,848.72

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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.