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Finding the Fourth Proportional to 230,882.20, 346,323.30 and 191,483.80

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Solution

The fourth proportional to 230,882.20, 346,323.30 and 191,483.80 is: 287,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,882.20 : 346,323.30 = 191,483.80 : x
  2. Step 2: Convert to fraction form
    230,882.20/346,323.30 = 191,483.80/x
  3. Step 3: Cross multiply
    230,882.20x = 346,323.30 × 191,483.80
  4. Step 4: Simplify right side
    230,882.20x = 66,315,301,512.54
  5. Step 5: Solve for x
    x = 66,315,301,512.54/230,882.20
  6. Step 6: Final answer
    x = 287,225.70

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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.