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Finding the Fourth Proportional to 300,096.79, 449,503.61 and 242,923.75

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Solution

The fourth proportional to 300,096.79, 449,503.61 and 242,923.75 is: 363,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,096.79 : 449,503.61 = 242,923.75 : x
  2. Step 2: Convert to fraction form
    300,096.79/449,503.61 = 242,923.75/x
  3. Step 3: Cross multiply
    300,096.79x = 449,503.61 × 242,923.75
  4. Step 4: Simplify right side
    300,096.79x = 109,195,102,579.74
  5. Step 5: Solve for x
    x = 109,195,102,579.74/300,096.79
  6. Step 6: Final answer
    x = 363,866.28

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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.