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Finding the Fourth Proportional to 367,007.55, 550,511.34 and 311,020.35

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Solution

The fourth proportional to 367,007.55, 550,511.34 and 311,020.35 is: 466,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,007.55 : 550,511.34 = 311,020.35 : x
  2. Step 2: Convert to fraction form
    367,007.55/550,511.34 = 311,020.35/x
  3. Step 3: Cross multiply
    367,007.55x = 550,511.34 × 311,020.35
  4. Step 4: Simplify right side
    367,007.55x = 171,220,229,645.77
  5. Step 5: Solve for x
    x = 171,220,229,645.77/367,007.55
  6. Step 6: Final answer
    x = 466,530.54

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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.