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Finding the Fourth Proportional to 427,786.60, 590,359.44 and 246,484.48

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Solution

The fourth proportional to 427,786.60, 590,359.44 and 246,484.48 is: 340,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,786.60 : 590,359.44 = 246,484.48 : x
  2. Step 2: Convert to fraction form
    427,786.60/590,359.44 = 246,484.48/x
  3. Step 3: Cross multiply
    427,786.60x = 590,359.44 × 246,484.48
  4. Step 4: Simplify right side
    427,786.60x = 145,514,439,581.49
  5. Step 5: Solve for x
    x = 145,514,439,581.49/427,786.60
  6. Step 6: Final answer
    x = 340,156.61

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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.