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Finding the Fourth Proportional to 554,690.88, 765,473.22 and 300,041.46

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Solution

The fourth proportional to 554,690.88, 765,473.22 and 300,041.46 is: 414,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,690.88 : 765,473.22 = 300,041.46 : x
  2. Step 2: Convert to fraction form
    554,690.88/765,473.22 = 300,041.46/x
  3. Step 3: Cross multiply
    554,690.88x = 765,473.22 × 300,041.46
  4. Step 4: Simplify right side
    554,690.88x = 229,673,702,519.70
  5. Step 5: Solve for x
    x = 229,673,702,519.70/554,690.88
  6. Step 6: Final answer
    x = 414,057.11

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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.