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Finding the Fourth Proportional to 427,679.37, 590,241.47 and 246,398.13

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Solution

The fourth proportional to 427,679.37, 590,241.47 and 246,398.13 is: 340,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,679.37 : 590,241.47 = 246,398.13 : x
  2. Step 2: Convert to fraction form
    427,679.37/590,241.47 = 246,398.13/x
  3. Step 3: Cross multiply
    427,679.37x = 590,241.47 × 246,398.13
  4. Step 4: Simplify right side
    427,679.37x = 145,434,393,224.46
  5. Step 5: Solve for x
    x = 145,434,393,224.46/427,679.37
  6. Step 6: Final answer
    x = 340,054.73

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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.