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Finding the Fourth Proportional to 429,171.44, 592,249.20 and 238,192.88

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Solution

The fourth proportional to 429,171.44, 592,249.20 and 238,192.88 is: 328,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,171.44 : 592,249.20 = 238,192.88 : x
  2. Step 2: Convert to fraction form
    429,171.44/592,249.20 = 238,192.88/x
  3. Step 3: Cross multiply
    429,171.44x = 592,249.20 × 238,192.88
  4. Step 4: Simplify right side
    429,171.44x = 141,069,542,625.70
  5. Step 5: Solve for x
    x = 141,069,542,625.70/429,171.44
  6. Step 6: Final answer
    x = 328,702.07

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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.