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Finding the Fourth Proportional to 467,846.40, 701,645.05 and 130,866.15

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Solution

The fourth proportional to 467,846.40, 701,645.05 and 130,866.15 is: 196,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,846.40 : 701,645.05 = 130,866.15 : x
  2. Step 2: Convert to fraction form
    467,846.40/701,645.05 = 130,866.15/x
  3. Step 3: Cross multiply
    467,846.40x = 701,645.05 × 130,866.15
  4. Step 4: Simplify right side
    467,846.40x = 91,821,586,360.06
  5. Step 5: Solve for x
    x = 91,821,586,360.06/467,846.40
  6. Step 6: Final answer
    x = 196,264.39

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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.