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Finding the Fourth Proportional to 418,849.16, 628,270.84 and 169,527.56

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Solution

The fourth proportional to 418,849.16, 628,270.84 and 169,527.56 is: 254,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,849.16 : 628,270.84 = 169,527.56 : x
  2. Step 2: Convert to fraction form
    418,849.16/628,270.84 = 169,527.56/x
  3. Step 3: Cross multiply
    418,849.16x = 628,270.84 × 169,527.56
  4. Step 4: Simplify right side
    418,849.16x = 106,509,222,524.35
  5. Step 5: Solve for x
    x = 106,509,222,524.35/418,849.16
  6. Step 6: Final answer
    x = 254,290.17

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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.