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Finding the Fourth Proportional to 493,000.33, 738,367.21 and 313,072.33

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Solution

The fourth proportional to 493,000.33, 738,367.21 and 313,072.33 is: 468,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,000.33 : 738,367.21 = 313,072.33 : x
  2. Step 2: Convert to fraction form
    493,000.33/738,367.21 = 313,072.33/x
  3. Step 3: Cross multiply
    493,000.33x = 738,367.21 × 313,072.33
  4. Step 4: Simplify right side
    493,000.33x = 231,162,342,830.30
  5. Step 5: Solve for x
    x = 231,162,342,830.30/493,000.33
  6. Step 6: Final answer
    x = 468,888.82

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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.