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Finding the Fourth Proportional to 603,630.98, 832,178.36 and 481,537.74

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Solution

The fourth proportional to 603,630.98, 832,178.36 and 481,537.74 is: 663,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,630.98 : 832,178.36 = 481,537.74 : x
  2. Step 2: Convert to fraction form
    603,630.98/832,178.36 = 481,537.74/x
  3. Step 3: Cross multiply
    603,630.98x = 832,178.36 × 481,537.74
  4. Step 4: Simplify right side
    603,630.98x = 400,725,284,343.62
  5. Step 5: Solve for x
    x = 400,725,284,343.62/603,630.98
  6. Step 6: Final answer
    x = 663,858.05

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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.