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Finding the Fourth Proportional to 541,879.36, 747,799.52 and 300,165.64

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Solution

The fourth proportional to 541,879.36, 747,799.52 and 300,165.64 is: 414,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,879.36 : 747,799.52 = 300,165.64 : x
  2. Step 2: Convert to fraction form
    541,879.36/747,799.52 = 300,165.64/x
  3. Step 3: Cross multiply
    541,879.36x = 747,799.52 × 300,165.64
  4. Step 4: Simplify right side
    541,879.36x = 224,463,721,512.49
  5. Step 5: Solve for x
    x = 224,463,721,512.49/541,879.36
  6. Step 6: Final answer
    x = 414,231.91

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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.