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Finding the Fourth Proportional to 299,304.51, 449,038.78 and 149,363.79

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Solution

The fourth proportional to 299,304.51, 449,038.78 and 149,363.79 is: 224,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,304.51 : 449,038.78 = 149,363.79 : x
  2. Step 2: Convert to fraction form
    299,304.51/449,038.78 = 149,363.79/x
  3. Step 3: Cross multiply
    299,304.51x = 449,038.78 × 149,363.79
  4. Step 4: Simplify right side
    299,304.51x = 67,070,133,664.37
  5. Step 5: Solve for x
    x = 67,070,133,664.37/299,304.51
  6. Step 6: Final answer
    x = 224,086.61

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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.