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Finding the Fourth Proportional to 543,439.30, 809,527.56 and 534,496.90

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Solution

The fourth proportional to 543,439.30, 809,527.56 and 534,496.90 is: 796,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,439.30 : 809,527.56 = 534,496.90 : x
  2. Step 2: Convert to fraction form
    543,439.30/809,527.56 = 534,496.90/x
  3. Step 3: Cross multiply
    543,439.30x = 809,527.56 × 534,496.90
  4. Step 4: Simplify right side
    543,439.30x = 432,689,971,284.56
  5. Step 5: Solve for x
    x = 432,689,971,284.56/543,439.30
  6. Step 6: Final answer
    x = 796,206.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.