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Finding the Fourth Proportional to 271,646.79, 374,868.90 and 150,787.77

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Solution

The fourth proportional to 271,646.79, 374,868.90 and 150,787.77 is: 208,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,646.79 : 374,868.90 = 150,787.77 : x
  2. Step 2: Convert to fraction form
    271,646.79/374,868.90 = 150,787.77/x
  3. Step 3: Cross multiply
    271,646.79x = 374,868.90 × 150,787.77
  4. Step 4: Simplify right side
    271,646.79x = 56,525,645,473.35
  5. Step 5: Solve for x
    x = 56,525,645,473.35/271,646.79
  6. Step 6: Final answer
    x = 208,085.09

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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.