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Finding the Fourth Proportional to 375,029.48, 517,520.82 and 205,230.80

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Solution

The fourth proportional to 375,029.48, 517,520.82 and 205,230.80 is: 283,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,029.48 : 517,520.82 = 205,230.80 : x
  2. Step 2: Convert to fraction form
    375,029.48/517,520.82 = 205,230.80/x
  3. Step 3: Cross multiply
    375,029.48x = 517,520.82 × 205,230.80
  4. Step 4: Simplify right side
    375,029.48x = 106,211,211,905.26
  5. Step 5: Solve for x
    x = 106,211,211,905.26/375,029.48
  6. Step 6: Final answer
    x = 283,207.63

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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.