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Finding the Fourth Proportional to 341,998.98, 472,261.22 and 213,157.35

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Solution

The fourth proportional to 341,998.98, 472,261.22 and 213,157.35 is: 294,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,998.98 : 472,261.22 = 213,157.35 : x
  2. Step 2: Convert to fraction form
    341,998.98/472,261.22 = 213,157.35/x
  3. Step 3: Cross multiply
    341,998.98x = 472,261.22 × 213,157.35
  4. Step 4: Simplify right side
    341,998.98x = 100,665,950,162.97
  5. Step 5: Solve for x
    x = 100,665,950,162.97/341,998.98
  6. Step 6: Final answer
    x = 294,345.76

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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.