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Finding the Fourth Proportional to 241,531.20, 361,605.60 and 213,883.20

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Solution

The fourth proportional to 241,531.20, 361,605.60 and 213,883.20 is: 320,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,531.20 : 361,605.60 = 213,883.20 : x
  2. Step 2: Convert to fraction form
    241,531.20/361,605.60 = 213,883.20/x
  3. Step 3: Cross multiply
    241,531.20x = 361,605.60 × 213,883.20
  4. Step 4: Simplify right side
    241,531.20x = 77,341,362,865.92
  5. Step 5: Solve for x
    x = 77,341,362,865.92/241,531.20
  6. Step 6: Final answer
    x = 320,212.72

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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.