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Finding the Fourth Proportional to 301,103.80, 451,655.70 and 296,438.20

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Solution

The fourth proportional to 301,103.80, 451,655.70 and 296,438.20 is: 444,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,103.80 : 451,655.70 = 296,438.20 : x
  2. Step 2: Convert to fraction form
    301,103.80/451,655.70 = 296,438.20/x
  3. Step 3: Cross multiply
    301,103.80x = 451,655.70 × 296,438.20
  4. Step 4: Simplify right side
    301,103.80x = 133,888,002,727.74
  5. Step 5: Solve for x
    x = 133,888,002,727.74/301,103.80
  6. Step 6: Final answer
    x = 444,657.30

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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.