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Finding the Fourth Proportional to 230,858.10, 346,287.15 and 191,492.10

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Solution

The fourth proportional to 230,858.10, 346,287.15 and 191,492.10 is: 287,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,858.10 : 346,287.15 = 191,492.10 : x
  2. Step 2: Convert to fraction form
    230,858.10/346,287.15 = 191,492.10/x
  3. Step 3: Cross multiply
    230,858.10x = 346,287.15 × 191,492.10
  4. Step 4: Simplify right side
    230,858.10x = 66,311,253,556.52
  5. Step 5: Solve for x
    x = 66,311,253,556.52/230,858.10
  6. Step 6: Final answer
    x = 287,238.15

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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.