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Finding the Fourth Proportional to 241,987.80, 362,981.70 and 216,618.60

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Solution

The fourth proportional to 241,987.80, 362,981.70 and 216,618.60 is: 324,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,987.80 : 362,981.70 = 216,618.60 : x
  2. Step 2: Convert to fraction form
    241,987.80/362,981.70 = 216,618.60/x
  3. Step 3: Cross multiply
    241,987.80x = 362,981.70 × 216,618.60
  4. Step 4: Simplify right side
    241,987.80x = 78,628,587,679.62
  5. Step 5: Solve for x
    x = 78,628,587,679.62/241,987.80
  6. Step 6: Final answer
    x = 324,927.90

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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.