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Finding the Fourth Proportional to 341,181.50, 512,215.72 and 262,351.08

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Solution

The fourth proportional to 341,181.50, 512,215.72 and 262,351.08 is: 393,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,181.50 : 512,215.72 = 262,351.08 : x
  2. Step 2: Convert to fraction form
    341,181.50/512,215.72 = 262,351.08/x
  3. Step 3: Cross multiply
    341,181.50x = 512,215.72 × 262,351.08
  4. Step 4: Simplify right side
    341,181.50x = 134,380,346,679.10
  5. Step 5: Solve for x
    x = 134,380,346,679.10/341,181.50
  6. Step 6: Final answer
    x = 393,867.63

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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.