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Finding the Fourth Proportional to 522,519.03, 784,048.28 and 222,919.20

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Solution

The fourth proportional to 522,519.03, 784,048.28 and 222,919.20 is: 334,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,519.03 : 784,048.28 = 222,919.20 : x
  2. Step 2: Convert to fraction form
    522,519.03/784,048.28 = 222,919.20/x
  3. Step 3: Cross multiply
    522,519.03x = 784,048.28 × 222,919.20
  4. Step 4: Simplify right side
    522,519.03x = 174,779,414,224.38
  5. Step 5: Solve for x
    x = 174,779,414,224.38/522,519.03
  6. Step 6: Final answer
    x = 334,493.87

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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.