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Finding the Fourth Proportional to 448,147.92, 672,664.77 and 237,785.87

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Solution

The fourth proportional to 448,147.92, 672,664.77 and 237,785.87 is: 356,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,147.92 : 672,664.77 = 237,785.87 : x
  2. Step 2: Convert to fraction form
    448,147.92/672,664.77 = 237,785.87/x
  3. Step 3: Cross multiply
    448,147.92x = 672,664.77 × 237,785.87
  4. Step 4: Simplify right side
    448,147.92x = 159,950,174,189.48
  5. Step 5: Solve for x
    x = 159,950,174,189.48/448,147.92
  6. Step 6: Final answer
    x = 356,913.79

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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.