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Finding the Fourth Proportional to 271,585.94, 374,833.67 and 158,408.69

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Solution

The fourth proportional to 271,585.94, 374,833.67 and 158,408.69 is: 218,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,585.94 : 374,833.67 = 158,408.69 : x
  2. Step 2: Convert to fraction form
    271,585.94/374,833.67 = 158,408.69/x
  3. Step 3: Cross multiply
    271,585.94x = 374,833.67 × 158,408.69
  4. Step 4: Simplify right side
    271,585.94x = 59,376,907,966.38
  5. Step 5: Solve for x
    x = 59,376,907,966.38/271,585.94
  6. Step 6: Final answer
    x = 218,630.28

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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.