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Finding the Fourth Proportional to 373,454, 515,796.44 and 271,933.36

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Solution

The fourth proportional to 373,454, 515,796.44 and 271,933.36 is: 375,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,454 : 515,796.44 = 271,933.36 : x
  2. Step 2: Convert to fraction form
    373,454/515,796.44 = 271,933.36/x
  3. Step 3: Cross multiply
    373,454x = 515,796.44 × 271,933.36
  4. Step 4: Simplify right side
    373,454x = 140,262,259,005.24
  5. Step 5: Solve for x
    x = 140,262,259,005.24/373,454
  6. Step 6: Final answer
    x = 375,581.09

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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.