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Finding the Fourth Proportional to 370,523.43, 555,796.49 and 256,559.67

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Solution

The fourth proportional to 370,523.43, 555,796.49 and 256,559.67 is: 384,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,523.43 : 555,796.49 = 256,559.67 : x
  2. Step 2: Convert to fraction form
    370,523.43/555,796.49 = 256,559.67/x
  3. Step 3: Cross multiply
    370,523.43x = 555,796.49 × 256,559.67
  4. Step 4: Simplify right side
    370,523.43x = 142,594,962,778.76
  5. Step 5: Solve for x
    x = 142,594,962,778.76/370,523.43
  6. Step 6: Final answer
    x = 384,847.36

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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.