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Finding the Fourth Proportional to 448,491.52, 671,976.02 and 270,624.80

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Solution

The fourth proportional to 448,491.52, 671,976.02 and 270,624.80 is: 405,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,491.52 : 671,976.02 = 270,624.80 : x
  2. Step 2: Convert to fraction form
    448,491.52/671,976.02 = 270,624.80/x
  3. Step 3: Cross multiply
    448,491.52x = 671,976.02 × 270,624.80
  4. Step 4: Simplify right side
    448,491.52x = 181,853,376,017.30
  5. Step 5: Solve for x
    x = 181,853,376,017.30/448,491.52
  6. Step 6: Final answer
    x = 405,477.85

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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.