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Finding the Fourth Proportional to 383,304.88, 529,023.72 and 213,593.68

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Solution

The fourth proportional to 383,304.88, 529,023.72 and 213,593.68 is: 294,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,304.88 : 529,023.72 = 213,593.68 : x
  2. Step 2: Convert to fraction form
    383,304.88/529,023.72 = 213,593.68/x
  3. Step 3: Cross multiply
    383,304.88x = 529,023.72 × 213,593.68
  4. Step 4: Simplify right side
    383,304.88x = 112,996,123,162.09
  5. Step 5: Solve for x
    x = 112,996,123,162.09/383,304.88
  6. Step 6: Final answer
    x = 294,794.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.