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Finding the Fourth Proportional to 375,553.94, 518,266.96 and 205,794.14

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Solution

The fourth proportional to 375,553.94, 518,266.96 and 205,794.14 is: 283,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,553.94 : 518,266.96 = 205,794.14 : x
  2. Step 2: Convert to fraction form
    375,553.94/518,266.96 = 205,794.14/x
  3. Step 3: Cross multiply
    375,553.94x = 518,266.96 × 205,794.14
  4. Step 4: Simplify right side
    375,553.94x = 106,656,300,217.79
  5. Step 5: Solve for x
    x = 106,656,300,217.79/375,553.94
  6. Step 6: Final answer
    x = 283,997.29

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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.