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Finding the Fourth Proportional to 271,848.92, 407,773.40 and 84,876.44

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Solution

The fourth proportional to 271,848.92, 407,773.40 and 84,876.44 is: 127,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,848.92 : 407,773.40 = 84,876.44 : x
  2. Step 2: Convert to fraction form
    271,848.92/407,773.40 = 84,876.44/x
  3. Step 3: Cross multiply
    271,848.92x = 407,773.40 × 84,876.44
  4. Step 4: Simplify right side
    271,848.92x = 34,610,354,518.70
  5. Step 5: Solve for x
    x = 34,610,354,518.70/271,848.92
  6. Step 6: Final answer
    x = 127,314.67

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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.