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Finding the Fourth Proportional to 303,872.45, 456,094.68 and 154,220.14

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Solution

The fourth proportional to 303,872.45, 456,094.68 and 154,220.14 is: 231,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,872.45 : 456,094.68 = 154,220.14 : x
  2. Step 2: Convert to fraction form
    303,872.45/456,094.68 = 154,220.14/x
  3. Step 3: Cross multiply
    303,872.45x = 456,094.68 × 154,220.14
  4. Step 4: Simplify right side
    303,872.45x = 70,338,983,696.60
  5. Step 5: Solve for x
    x = 70,338,983,696.60/303,872.45
  6. Step 6: Final answer
    x = 231,475.36

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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.