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Finding the Fourth Proportional to 451,649.52, 677,736.63 and 202,331.52

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Solution

The fourth proportional to 451,649.52, 677,736.63 and 202,331.52 is: 303,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,649.52 : 677,736.63 = 202,331.52 : x
  2. Step 2: Convert to fraction form
    451,649.52/677,736.63 = 202,331.52/x
  3. Step 3: Cross multiply
    451,649.52x = 677,736.63 × 202,331.52
  4. Step 4: Simplify right side
    451,649.52x = 137,127,482,507.58
  5. Step 5: Solve for x
    x = 137,127,482,507.58/451,649.52
  6. Step 6: Final answer
    x = 303,614.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.