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Finding the Fourth Proportional to 637,172.36, 955,779.24 and 187,855.56

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Solution

The fourth proportional to 637,172.36, 955,779.24 and 187,855.56 is: 281,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,172.36 : 955,779.24 = 187,855.56 : x
  2. Step 2: Convert to fraction form
    637,172.36/955,779.24 = 187,855.56/x
  3. Step 3: Cross multiply
    637,172.36x = 955,779.24 × 187,855.56
  4. Step 4: Simplify right side
    637,172.36x = 179,548,444,366.57
  5. Step 5: Solve for x
    x = 179,548,444,366.57/637,172.36
  6. Step 6: Final answer
    x = 281,789.44

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1.5x scale

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.