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Finding the Fourth Proportional to 450,967.83, 622,334.84 and 247,027.38

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Solution

The fourth proportional to 450,967.83, 622,334.84 and 247,027.38 is: 340,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,967.83 : 622,334.84 = 247,027.38 : x
  2. Step 2: Convert to fraction form
    450,967.83/622,334.84 = 247,027.38/x
  3. Step 3: Cross multiply
    450,967.83x = 622,334.84 × 247,027.38
  4. Step 4: Simplify right side
    450,967.83x = 153,733,745,007.92
  5. Step 5: Solve for x
    x = 153,733,745,007.92/450,967.83
  6. Step 6: Final answer
    x = 340,897.37

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1.5x scale

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.