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Finding the Fourth Proportional to 220,596.89, 302,440.86 and 216,611.06

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Solution

The fourth proportional to 220,596.89, 302,440.86 and 216,611.06 is: 296,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,596.89 : 302,440.86 = 216,611.06 : x
  2. Step 2: Convert to fraction form
    220,596.89/302,440.86 = 216,611.06/x
  3. Step 3: Cross multiply
    220,596.89x = 302,440.86 × 216,611.06
  4. Step 4: Simplify right side
    220,596.89x = 65,512,033,759.71
  5. Step 5: Solve for x
    x = 65,512,033,759.71/220,596.89
  6. Step 6: Final answer
    x = 296,976.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.