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Finding the Fourth Proportional to 580,451.15, 800,978.67 and 325,753.13

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Solution

The fourth proportional to 580,451.15, 800,978.67 and 325,753.13 is: 449,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,451.15 : 800,978.67 = 325,753.13 : x
  2. Step 2: Convert to fraction form
    580,451.15/800,978.67 = 325,753.13/x
  3. Step 3: Cross multiply
    580,451.15x = 800,978.67 × 325,753.13
  4. Step 4: Simplify right side
    580,451.15x = 260,921,308,815.74
  5. Step 5: Solve for x
    x = 260,921,308,815.74/580,451.15
  6. Step 6: Final answer
    x = 449,514.67

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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.