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Finding the Fourth Proportional to 307,548.70, 461,323.05 and 227,832.55

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Solution

The fourth proportional to 307,548.70, 461,323.05 and 227,832.55 is: 341,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,548.70 : 461,323.05 = 227,832.55 : x
  2. Step 2: Convert to fraction form
    307,548.70/461,323.05 = 227,832.55/x
  3. Step 3: Cross multiply
    307,548.70x = 461,323.05 × 227,832.55
  4. Step 4: Simplify right side
    307,548.70x = 105,104,406,855.28
  5. Step 5: Solve for x
    x = 105,104,406,855.28/307,548.70
  6. Step 6: Final answer
    x = 341,748.83

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Similar ratio
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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.