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Finding the Fourth Proportional to 373,371.48, 515,206.82 and 228,250.28

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Solution

The fourth proportional to 373,371.48, 515,206.82 and 228,250.28 is: 314,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,371.48 : 515,206.82 = 228,250.28 : x
  2. Step 2: Convert to fraction form
    373,371.48/515,206.82 = 228,250.28/x
  3. Step 3: Cross multiply
    373,371.48x = 515,206.82 × 228,250.28
  4. Step 4: Simplify right side
    373,371.48x = 117,596,100,922.91
  5. Step 5: Solve for x
    x = 117,596,100,922.91/373,371.48
  6. Step 6: Final answer
    x = 314,957.37

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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.