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Finding the Fourth Proportional to 427,860.96, 590,425.62 and 234,231.54

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Solution

The fourth proportional to 427,860.96, 590,425.62 and 234,231.54 is: 323,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,860.96 : 590,425.62 = 234,231.54 : x
  2. Step 2: Convert to fraction form
    427,860.96/590,425.62 = 234,231.54/x
  3. Step 3: Cross multiply
    427,860.96x = 590,425.62 × 234,231.54
  4. Step 4: Simplify right side
    427,860.96x = 138,296,302,228.06
  5. Step 5: Solve for x
    x = 138,296,302,228.06/427,860.96
  6. Step 6: Final answer
    x = 323,227.20

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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.