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Finding the Fourth Proportional to 777,287.66, 1,165,820.76 and 244,794.84

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Solution

The fourth proportional to 777,287.66, 1,165,820.76 and 244,794.84 is: 367,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,287.66 : 1,165,820.76 = 244,794.84 : x
  2. Step 2: Convert to fraction form
    777,287.66/1,165,820.76 = 244,794.84/x
  3. Step 3: Cross multiply
    777,287.66x = 1,165,820.76 × 244,794.84
  4. Step 4: Simplify right side
    777,287.66x = 285,386,909,327.43
  5. Step 5: Solve for x
    x = 285,386,909,327.43/777,287.66
  6. Step 6: Final answer
    x = 367,157.39

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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.