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Finding the Fourth Proportional to 451,165.63, 622,581.74 and 247,175.95

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Solution

The fourth proportional to 451,165.63, 622,581.74 and 247,175.95 is: 341,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,165.63 : 622,581.74 = 247,175.95 : x
  2. Step 2: Convert to fraction form
    451,165.63/622,581.74 = 247,175.95/x
  3. Step 3: Cross multiply
    451,165.63x = 622,581.74 × 247,175.95
  4. Step 4: Simplify right side
    451,165.63x = 153,887,231,801.27
  5. Step 5: Solve for x
    x = 153,887,231,801.27/451,165.63
  6. Step 6: Final answer
    x = 341,088.11

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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.