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Finding the Fourth Proportional to 448,813.78, 672,866.19 and 224,050.32

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Solution

The fourth proportional to 448,813.78, 672,866.19 and 224,050.32 is: 335,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,813.78 : 672,866.19 = 224,050.32 : x
  2. Step 2: Convert to fraction form
    448,813.78/672,866.19 = 224,050.32/x
  3. Step 3: Cross multiply
    448,813.78x = 672,866.19 × 224,050.32
  4. Step 4: Simplify right side
    448,813.78x = 150,755,885,186.68
  5. Step 5: Solve for x
    x = 150,755,885,186.68/448,813.78
  6. Step 6: Final answer
    x = 335,898.52

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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.