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Finding the Fourth Proportional to 304,099.45, 419,640.29 and 168,125.47

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Solution

The fourth proportional to 304,099.45, 419,640.29 and 168,125.47 is: 232,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,099.45 : 419,640.29 = 168,125.47 : x
  2. Step 2: Convert to fraction form
    304,099.45/419,640.29 = 168,125.47/x
  3. Step 3: Cross multiply
    304,099.45x = 419,640.29 × 168,125.47
  4. Step 4: Simplify right side
    304,099.45x = 70,552,220,146.56
  5. Step 5: Solve for x
    x = 70,552,220,146.56/304,099.45
  6. Step 6: Final answer
    x = 232,003.77

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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.