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Finding the Fourth Proportional to 257,808.99, 355,819.16 and 150,379.04

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Solution

The fourth proportional to 257,808.99, 355,819.16 and 150,379.04 is: 207,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,808.99 : 355,819.16 = 150,379.04 : x
  2. Step 2: Convert to fraction form
    257,808.99/355,819.16 = 150,379.04/x
  3. Step 3: Cross multiply
    257,808.99x = 355,819.16 × 150,379.04
  4. Step 4: Simplify right side
    257,808.99x = 53,507,741,163.42
  5. Step 5: Solve for x
    x = 53,507,741,163.42/257,808.99
  6. Step 6: Final answer
    x = 207,548.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.