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Finding the Fourth Proportional to 303,590, 418,954.44 and 169,454

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Solution

The fourth proportional to 303,590, 418,954.44 and 169,454 is: 233,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,590 : 418,954.44 = 169,454 : x
  2. Step 2: Convert to fraction form
    303,590/418,954.44 = 169,454/x
  3. Step 3: Cross multiply
    303,590x = 418,954.44 × 169,454
  4. Step 4: Simplify right side
    303,590x = 70,993,505,675.76
  5. Step 5: Solve for x
    x = 70,993,505,675.76/303,590
  6. Step 6: Final answer
    x = 233,846.65

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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.