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Finding the Fourth Proportional to 389,502.62, 584,329.67 and 149,598.97

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Solution

The fourth proportional to 389,502.62, 584,329.67 and 149,598.97 is: 224,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,502.62 : 584,329.67 = 149,598.97 : x
  2. Step 2: Convert to fraction form
    389,502.62/584,329.67 = 149,598.97/x
  3. Step 3: Cross multiply
    389,502.62x = 584,329.67 × 149,598.97
  4. Step 4: Simplify right side
    389,502.62x = 87,415,115,311.62
  5. Step 5: Solve for x
    x = 87,415,115,311.62/389,502.62
  6. Step 6: Final answer
    x = 224,427.54

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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.