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Finding the Fourth Proportional to 311,593.79, 467,453.56 and 98,395.01

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Solution

The fourth proportional to 311,593.79, 467,453.56 and 98,395.01 is: 147,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,593.79 : 467,453.56 = 98,395.01 : x
  2. Step 2: Convert to fraction form
    311,593.79/467,453.56 = 98,395.01/x
  3. Step 3: Cross multiply
    311,593.79x = 467,453.56 × 98,395.01
  4. Step 4: Simplify right side
    311,593.79x = 45,995,097,710.74
  5. Step 5: Solve for x
    x = 45,995,097,710.74/311,593.79
  6. Step 6: Final answer
    x = 147,612.37

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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.