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Finding the Fourth Proportional to 451,307.57, 677,063.52 and 151,779.93

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Solution

The fourth proportional to 451,307.57, 677,063.52 and 151,779.93 is: 227,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,307.57 : 677,063.52 = 151,779.93 : x
  2. Step 2: Convert to fraction form
    451,307.57/677,063.52 = 151,779.93/x
  3. Step 3: Cross multiply
    451,307.57x = 677,063.52 × 151,779.93
  4. Step 4: Simplify right side
    451,307.57x = 102,764,652,912.25
  5. Step 5: Solve for x
    x = 102,764,652,912.25/451,307.57
  6. Step 6: Final answer
    x = 227,704.25

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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.