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Finding the Fourth Proportional to 424,224.90, 585,415.40 and 233,236.82

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Solution

The fourth proportional to 424,224.90, 585,415.40 and 233,236.82 is: 321,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,224.90 : 585,415.40 = 233,236.82 : x
  2. Step 2: Convert to fraction form
    424,224.90/585,415.40 = 233,236.82/x
  3. Step 3: Cross multiply
    424,224.90x = 585,415.40 × 233,236.82
  4. Step 4: Simplify right side
    424,224.90x = 136,540,422,181.77
  5. Step 5: Solve for x
    x = 136,540,422,181.77/424,224.90
  6. Step 6: Final answer
    x = 321,858.58

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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.