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Finding the Fourth Proportional to 550,453.65, 825,680.48 and 235,525.65

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Solution

The fourth proportional to 550,453.65, 825,680.48 and 235,525.65 is: 353,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,453.65 : 825,680.48 = 235,525.65 : x
  2. Step 2: Convert to fraction form
    550,453.65/825,680.48 = 235,525.65/x
  3. Step 3: Cross multiply
    550,453.65x = 825,680.48 × 235,525.65
  4. Step 4: Simplify right side
    550,453.65x = 194,468,930,566.68
  5. Step 5: Solve for x
    x = 194,468,930,566.68/550,453.65
  6. Step 6: Final answer
    x = 353,288.48

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Double scale
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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.