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Finding the Fourth Proportional to 453,218.82, 679,853.07 and 149,600.58

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Solution

The fourth proportional to 453,218.82, 679,853.07 and 149,600.58 is: 224,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,218.82 : 679,853.07 = 149,600.58 : x
  2. Step 2: Convert to fraction form
    453,218.82/679,853.07 = 149,600.58/x
  3. Step 3: Cross multiply
    453,218.82x = 679,853.07 × 149,600.58
  4. Step 4: Simplify right side
    453,218.82x = 101,706,413,586.78
  5. Step 5: Solve for x
    x = 101,706,413,586.78/453,218.82
  6. Step 6: Final answer
    x = 224,409.07

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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.