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Finding the Fourth Proportional to 375,049.75, 517,573.52 and 205,280.23

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Solution

The fourth proportional to 375,049.75, 517,573.52 and 205,280.23 is: 283,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,049.75 : 517,573.52 = 205,280.23 : x
  2. Step 2: Convert to fraction form
    375,049.75/517,573.52 = 205,280.23/x
  3. Step 3: Cross multiply
    375,049.75x = 517,573.52 × 205,280.23
  4. Step 4: Simplify right side
    375,049.75x = 106,247,611,227.51
  5. Step 5: Solve for x
    x = 106,247,611,227.51/375,049.75
  6. Step 6: Final answer
    x = 283,289.38

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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.