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Finding the Fourth Proportional to 508,863.44, 762,420.36 and 396,500.24

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Solution

The fourth proportional to 508,863.44, 762,420.36 and 396,500.24 is: 594,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,863.44 : 762,420.36 = 396,500.24 : x
  2. Step 2: Convert to fraction form
    508,863.44/762,420.36 = 396,500.24/x
  3. Step 3: Cross multiply
    508,863.44x = 762,420.36 × 396,500.24
  4. Step 4: Simplify right side
    508,863.44x = 302,299,855,720.89
  5. Step 5: Solve for x
    x = 302,299,855,720.89/508,863.44
  6. Step 6: Final answer
    x = 594,068.73

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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.