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Finding the Fourth Proportional to 271,398.98, 374,285.30 and 169,433.75

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Solution

The fourth proportional to 271,398.98, 374,285.30 and 169,433.75 is: 233,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,398.98 : 374,285.30 = 169,433.75 : x
  2. Step 2: Convert to fraction form
    271,398.98/374,285.30 = 169,433.75/x
  3. Step 3: Cross multiply
    271,398.98x = 374,285.30 × 169,433.75
  4. Step 4: Simplify right side
    271,398.98x = 63,416,559,230.28
  5. Step 5: Solve for x
    x = 63,416,559,230.28/271,398.98
  6. Step 6: Final answer
    x = 233,665.43

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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.