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Finding the Fourth Proportional to 603,154.33, 832,144.89 and 385,490.41

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Solution

The fourth proportional to 603,154.33, 832,144.89 and 385,490.41 is: 531,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,154.33 : 832,144.89 = 385,490.41 : x
  2. Step 2: Convert to fraction form
    603,154.33/832,144.89 = 385,490.41/x
  3. Step 3: Cross multiply
    603,154.33x = 832,144.89 × 385,490.41
  4. Step 4: Simplify right side
    603,154.33x = 320,783,874,825.51
  5. Step 5: Solve for x
    x = 320,783,874,825.51/603,154.33
  6. Step 6: Final answer
    x = 531,843.77

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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.