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Finding the Fourth Proportional to 359,572.75, 496,025.09 and 223,555.12

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Solution

The fourth proportional to 359,572.75, 496,025.09 and 223,555.12 is: 308,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,572.75 : 496,025.09 = 223,555.12 : x
  2. Step 2: Convert to fraction form
    359,572.75/496,025.09 = 223,555.12/x
  3. Step 3: Cross multiply
    359,572.75x = 496,025.09 × 223,555.12
  4. Step 4: Simplify right side
    359,572.75x = 110,888,948,517.96
  5. Step 5: Solve for x
    x = 110,888,948,517.96/359,572.75
  6. Step 6: Final answer
    x = 308,390.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.