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Finding the Fourth Proportional to 246,410.52, 340,046.06 and 138,980.22

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Solution

The fourth proportional to 246,410.52, 340,046.06 and 138,980.22 is: 191,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,410.52 : 340,046.06 = 138,980.22 : x
  2. Step 2: Convert to fraction form
    246,410.52/340,046.06 = 138,980.22/x
  3. Step 3: Cross multiply
    246,410.52x = 340,046.06 × 138,980.22
  4. Step 4: Simplify right side
    246,410.52x = 47,259,675,534.03
  5. Step 5: Solve for x
    x = 47,259,675,534.03/246,410.52
  6. Step 6: Final answer
    x = 191,792.44

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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.