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Finding the Fourth Proportional to 285,050.60, 393,343.04 and 192,982.60

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Solution

The fourth proportional to 285,050.60, 393,343.04 and 192,982.60 is: 266,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,050.60 : 393,343.04 = 192,982.60 : x
  2. Step 2: Convert to fraction form
    285,050.60/393,343.04 = 192,982.60/x
  3. Step 3: Cross multiply
    285,050.60x = 393,343.04 × 192,982.60
  4. Step 4: Simplify right side
    285,050.60x = 75,908,360,227.16
  5. Step 5: Solve for x
    x = 75,908,360,227.16/285,050.60
  6. Step 6: Final answer
    x = 266,297.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.