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Finding the Fourth Proportional to 555,093.22, 766,034.25 and 300,449.86

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Solution

The fourth proportional to 555,093.22, 766,034.25 and 300,449.86 is: 414,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,093.22 : 766,034.25 = 300,449.86 : x
  2. Step 2: Convert to fraction form
    555,093.22/766,034.25 = 300,449.86/x
  3. Step 3: Cross multiply
    555,093.22x = 766,034.25 × 300,449.86
  4. Step 4: Simplify right side
    555,093.22x = 230,154,883,167.71
  5. Step 5: Solve for x
    x = 230,154,883,167.71/555,093.22
  6. Step 6: Final answer
    x = 414,623.84

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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.