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Finding the Fourth Proportional to 581,738.56, 871,713.60 and 344,609.44

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Solution

The fourth proportional to 581,738.56, 871,713.60 and 344,609.44 is: 516,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,738.56 : 871,713.60 = 344,609.44 : x
  2. Step 2: Convert to fraction form
    581,738.56/871,713.60 = 344,609.44/x
  3. Step 3: Cross multiply
    581,738.56x = 871,713.60 × 344,609.44
  4. Step 4: Simplify right side
    581,738.56x = 300,400,735,536.38
  5. Step 5: Solve for x
    x = 300,400,735,536.38/581,738.56
  6. Step 6: Final answer
    x = 516,384.43

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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.