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Finding the Fourth Proportional to 447,750.40, 671,203.32 and 222,898

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Solution

The fourth proportional to 447,750.40, 671,203.32 and 222,898 is: 334,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,750.40 : 671,203.32 = 222,898 : x
  2. Step 2: Convert to fraction form
    447,750.40/671,203.32 = 222,898/x
  3. Step 3: Cross multiply
    447,750.40x = 671,203.32 × 222,898
  4. Step 4: Simplify right side
    447,750.40x = 149,609,877,621.36
  5. Step 5: Solve for x
    x = 149,609,877,621.36/447,750.40
  6. Step 6: Final answer
    x = 334,136.78

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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.