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Finding the Fourth Proportional to 534,524.11, 737,642.60 and 289,508.73

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Solution

The fourth proportional to 534,524.11, 737,642.60 and 289,508.73 is: 399,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,524.11 : 737,642.60 = 289,508.73 : x
  2. Step 2: Convert to fraction form
    534,524.11/737,642.60 = 289,508.73/x
  3. Step 3: Cross multiply
    534,524.11x = 737,642.60 × 289,508.73
  4. Step 4: Simplify right side
    534,524.11x = 213,553,973,341.09
  5. Step 5: Solve for x
    x = 213,553,973,341.09/534,524.11
  6. Step 6: Final answer
    x = 399,521.68

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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.