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Finding the Fourth Proportional to 467,390.82, 701,204.51 and 130,431.43

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Solution

The fourth proportional to 467,390.82, 701,204.51 and 130,431.43 is: 195,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,390.82 : 701,204.51 = 130,431.43 : x
  2. Step 2: Convert to fraction form
    467,390.82/701,204.51 = 130,431.43/x
  3. Step 3: Cross multiply
    467,390.82x = 701,204.51 × 130,431.43
  4. Step 4: Simplify right side
    467,390.82x = 91,459,108,164.33
  5. Step 5: Solve for x
    x = 91,459,108,164.33/467,390.82
  6. Step 6: Final answer
    x = 195,680.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.