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Finding the Fourth Proportional to 555,226.44, 766,214.21 and 300,577.02

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Solution

The fourth proportional to 555,226.44, 766,214.21 and 300,577.02 is: 414,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,226.44 : 766,214.21 = 300,577.02 : x
  2. Step 2: Convert to fraction form
    555,226.44/766,214.21 = 300,577.02/x
  3. Step 3: Cross multiply
    555,226.44x = 766,214.21 × 300,577.02
  4. Step 4: Simplify right side
    555,226.44x = 230,306,384,674.90
  5. Step 5: Solve for x
    x = 230,306,384,674.90/555,226.44
  6. Step 6: Final answer
    x = 414,797.22

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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.