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Finding the Fourth Proportional to 427,821.66, 590,455.62 and 246,498.84

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Solution

The fourth proportional to 427,821.66, 590,455.62 and 246,498.84 is: 340,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,821.66 : 590,455.62 = 246,498.84 : x
  2. Step 2: Convert to fraction form
    427,821.66/590,455.62 = 246,498.84/x
  3. Step 3: Cross multiply
    427,821.66x = 590,455.62 × 246,498.84
  4. Step 4: Simplify right side
    427,821.66x = 145,546,625,401.48
  5. Step 5: Solve for x
    x = 145,546,625,401.48/427,821.66
  6. Step 6: Final answer
    x = 340,203.97

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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.