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Finding the Fourth Proportional to 453,358.62, 679,890.96 and 149,684.49

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Solution

The fourth proportional to 453,358.62, 679,890.96 and 149,684.49 is: 224,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,358.62 : 679,890.96 = 149,684.49 : x
  2. Step 2: Convert to fraction form
    453,358.62/679,890.96 = 149,684.49/x
  3. Step 3: Cross multiply
    453,358.62x = 679,890.96 × 149,684.49
  4. Step 4: Simplify right side
    453,358.62x = 101,769,131,603.21
  5. Step 5: Solve for x
    x = 101,769,131,603.21/453,358.62
  6. Step 6: Final answer
    x = 224,478.21

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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.