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Finding the Fourth Proportional to 197,469.72, 296,222.58 and 64,315.80

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Solution

The fourth proportional to 197,469.72, 296,222.58 and 64,315.80 is: 96,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,469.72 : 296,222.58 = 64,315.80 : x
  2. Step 2: Convert to fraction form
    197,469.72/296,222.58 = 64,315.80/x
  3. Step 3: Cross multiply
    197,469.72x = 296,222.58 × 64,315.80
  4. Step 4: Simplify right side
    197,469.72x = 19,051,792,210.76
  5. Step 5: Solve for x
    x = 19,051,792,210.76/197,469.72
  6. Step 6: Final answer
    x = 96,479.56

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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.