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Finding the Fourth Proportional to 449,779.33, 674,472.17 and 134,173.36

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Solution

The fourth proportional to 449,779.33, 674,472.17 and 134,173.36 is: 201,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,779.33 : 674,472.17 = 134,173.36 : x
  2. Step 2: Convert to fraction form
    449,779.33/674,472.17 = 134,173.36/x
  3. Step 3: Cross multiply
    449,779.33x = 674,472.17 × 134,173.36
  4. Step 4: Simplify right side
    449,779.33x = 90,496,197,699.19
  5. Step 5: Solve for x
    x = 90,496,197,699.19/449,779.33
  6. Step 6: Final answer
    x = 201,201.33

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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.