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Finding the Fourth Proportional to 271,750.90, 407,480.55 and 113,800.90

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Solution

The fourth proportional to 271,750.90, 407,480.55 and 113,800.90 is: 170,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,750.90 : 407,480.55 = 113,800.90 : x
  2. Step 2: Convert to fraction form
    271,750.90/407,480.55 = 113,800.90/x
  3. Step 3: Cross multiply
    271,750.90x = 407,480.55 × 113,800.90
  4. Step 4: Simplify right side
    271,750.90x = 46,371,653,322.50
  5. Step 5: Solve for x
    x = 46,371,653,322.50/271,750.90
  6. Step 6: Final answer
    x = 170,640.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.