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Finding the Fourth Proportional to 483,202.38, 666,841.42 and 268,343.40

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Solution

The fourth proportional to 483,202.38, 666,841.42 and 268,343.40 is: 370,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,202.38 : 666,841.42 = 268,343.40 : x
  2. Step 2: Convert to fraction form
    483,202.38/666,841.42 = 268,343.40/x
  3. Step 3: Cross multiply
    483,202.38x = 666,841.42 × 268,343.40
  4. Step 4: Simplify right side
    483,202.38x = 178,942,493,903.63
  5. Step 5: Solve for x
    x = 178,942,493,903.63/483,202.38
  6. Step 6: Final answer
    x = 370,326.18

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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.