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Finding the Fourth Proportional to 246,390.37, 340,019.20 and 133,213.12

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Solution

The fourth proportional to 246,390.37, 340,019.20 and 133,213.12 is: 183,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,390.37 : 340,019.20 = 133,213.12 : x
  2. Step 2: Convert to fraction form
    246,390.37/340,019.20 = 133,213.12/x
  3. Step 3: Cross multiply
    246,390.37x = 340,019.20 × 133,213.12
  4. Step 4: Simplify right side
    246,390.37x = 45,295,017,808.37
  5. Step 5: Solve for x
    x = 45,295,017,808.37/246,390.37
  6. Step 6: Final answer
    x = 183,834.37

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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.