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Finding the Fourth Proportional to 448,562.80, 672,973.80 and 133,027.30

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Solution

The fourth proportional to 448,562.80, 672,973.80 and 133,027.30 is: 199,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,562.80 : 672,973.80 = 133,027.30 : x
  2. Step 2: Convert to fraction form
    448,562.80/672,973.80 = 133,027.30/x
  3. Step 3: Cross multiply
    448,562.80x = 672,973.80 × 133,027.30
  4. Step 4: Simplify right side
    448,562.80x = 89,523,887,584.74
  5. Step 5: Solve for x
    x = 89,523,887,584.74/448,562.80
  6. Step 6: Final answer
    x = 199,579.38

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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.