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Finding the Fourth Proportional to 554,983.24, 765,876.82 and 300,334.44

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Solution

The fourth proportional to 554,983.24, 765,876.82 and 300,334.44 is: 414,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,983.24 : 765,876.82 = 300,334.44 : x
  2. Step 2: Convert to fraction form
    554,983.24/765,876.82 = 300,334.44/x
  3. Step 3: Cross multiply
    554,983.24x = 765,876.82 × 300,334.44
  4. Step 4: Simplify right side
    554,983.24x = 230,019,185,843.68
  5. Step 5: Solve for x
    x = 230,019,185,843.68/554,983.24
  6. Step 6: Final answer
    x = 414,461.50

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1.5x scale

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.