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Finding the Fourth Proportional to 411,557.70, 617,336.55 and 366,942.90

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Solution

The fourth proportional to 411,557.70, 617,336.55 and 366,942.90 is: 550,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,557.70 : 617,336.55 = 366,942.90 : x
  2. Step 2: Convert to fraction form
    411,557.70/617,336.55 = 366,942.90/x
  3. Step 3: Cross multiply
    411,557.70x = 617,336.55 × 366,942.90
  4. Step 4: Simplify right side
    411,557.70x = 226,527,263,933.00
  5. Step 5: Solve for x
    x = 226,527,263,933.00/411,557.70
  6. Step 6: Final answer
    x = 550,414.35

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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.