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Finding the Fourth Proportional to 332,963.46, 459,860.49 and 307,769.22

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Solution

The fourth proportional to 332,963.46, 459,860.49 and 307,769.22 is: 425,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,963.46 : 459,860.49 = 307,769.22 : x
  2. Step 2: Convert to fraction form
    332,963.46/459,860.49 = 307,769.22/x
  3. Step 3: Cross multiply
    332,963.46x = 459,860.49 × 307,769.22
  4. Step 4: Simplify right side
    332,963.46x = 141,530,904,316.12
  5. Step 5: Solve for x
    x = 141,530,904,316.12/332,963.46
  6. Step 6: Final answer
    x = 425,064.37

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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.