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Finding the Fourth Proportional to 241,534.20, 361,610.10 and 213,886.20

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Solution

The fourth proportional to 241,534.20, 361,610.10 and 213,886.20 is: 320,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,534.20 : 361,610.10 = 213,886.20 : x
  2. Step 2: Convert to fraction form
    241,534.20/361,610.10 = 213,886.20/x
  3. Step 3: Cross multiply
    241,534.20x = 361,610.10 × 213,886.20
  4. Step 4: Simplify right side
    241,534.20x = 77,343,410,170.62
  5. Step 5: Solve for x
    x = 77,343,410,170.62/241,534.20
  6. Step 6: Final answer
    x = 320,217.22

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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.