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Finding the Fourth Proportional to 534,756.10, 802,134.15 and 531,069.70

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Solution

The fourth proportional to 534,756.10, 802,134.15 and 531,069.70 is: 796,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,756.10 : 802,134.15 = 531,069.70 : x
  2. Step 2: Convert to fraction form
    534,756.10/802,134.15 = 531,069.70/x
  3. Step 3: Cross multiply
    534,756.10x = 802,134.15 × 531,069.70
  4. Step 4: Simplify right side
    534,756.10x = 425,989,142,400.26
  5. Step 5: Solve for x
    x = 425,989,142,400.26/534,756.10
  6. Step 6: Final answer
    x = 796,604.55

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Similar ratio
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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.