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Finding the Fourth Proportional to 449,916.77, 675,043.64 and 233,640.71

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Solution

The fourth proportional to 449,916.77, 675,043.64 and 233,640.71 is: 350,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,916.77 : 675,043.64 = 233,640.71 : x
  2. Step 2: Convert to fraction form
    449,916.77/675,043.64 = 233,640.71/x
  3. Step 3: Cross multiply
    449,916.77x = 675,043.64 × 233,640.71
  4. Step 4: Simplify right side
    449,916.77x = 157,717,674,162.38
  5. Step 5: Solve for x
    x = 157,717,674,162.38/449,916.77
  6. Step 6: Final answer
    x = 350,548.56

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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.