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Finding the Fourth Proportional to 950,464.80, 1,423,072.80 and 740,512.80

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Solution

The fourth proportional to 950,464.80, 1,423,072.80 and 740,512.80 is: 1,108,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,464.80 : 1,423,072.80 = 740,512.80 : x
  2. Step 2: Convert to fraction form
    950,464.80/1,423,072.80 = 740,512.80/x
  3. Step 3: Cross multiply
    950,464.80x = 1,423,072.80 × 740,512.80
  4. Step 4: Simplify right side
    950,464.80x = 1,053,803,623,731.84
  5. Step 5: Solve for x
    x = 1,053,803,623,731.84/950,464.80
  6. Step 6: Final answer
    x = 1,108,724.51

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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.