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Finding the Fourth Proportional to 534,392.73, 737,462.46 and 289,376.75

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Solution

The fourth proportional to 534,392.73, 737,462.46 and 289,376.75 is: 399,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,392.73 : 737,462.46 = 289,376.75 : x
  2. Step 2: Convert to fraction form
    534,392.73/737,462.46 = 289,376.75/x
  3. Step 3: Cross multiply
    534,392.73x = 737,462.46 × 289,376.75
  4. Step 4: Simplify right side
    534,392.73x = 213,404,486,234.49
  5. Step 5: Solve for x
    x = 213,404,486,234.49/534,392.73
  6. Step 6: Final answer
    x = 399,340.17

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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.