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Finding the Fourth Proportional to 431,072.80, 646,900.80 and 241,532.80

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Solution

The fourth proportional to 431,072.80, 646,900.80 and 241,532.80 is: 362,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,072.80 : 646,900.80 = 241,532.80 : x
  2. Step 2: Convert to fraction form
    431,072.80/646,900.80 = 241,532.80/x
  3. Step 3: Cross multiply
    431,072.80x = 646,900.80 × 241,532.80
  4. Step 4: Simplify right side
    431,072.80x = 156,247,761,546.24
  5. Step 5: Solve for x
    x = 156,247,761,546.24/431,072.80
  6. Step 6: Final answer
    x = 362,462.59

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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.