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Finding the Fourth Proportional to 299,441.68, 448,788.70 and 149,724.79

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Solution

The fourth proportional to 299,441.68, 448,788.70 and 149,724.79 is: 224,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,441.68 : 448,788.70 = 149,724.79 : x
  2. Step 2: Convert to fraction form
    299,441.68/448,788.70 = 149,724.79/x
  3. Step 3: Cross multiply
    299,441.68x = 448,788.70 × 149,724.79
  4. Step 4: Simplify right side
    299,441.68x = 67,194,792,927.06
  5. Step 5: Solve for x
    x = 67,194,792,927.06/299,441.68
  6. Step 6: Final answer
    x = 224,400.27

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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.