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Finding the Fourth Proportional to 624,173.58, 861,344.73 and 352,234.26

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Solution

The fourth proportional to 624,173.58, 861,344.73 and 352,234.26 is: 486,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,173.58 : 861,344.73 = 352,234.26 : x
  2. Step 2: Convert to fraction form
    624,173.58/861,344.73 = 352,234.26/x
  3. Step 3: Cross multiply
    624,173.58x = 861,344.73 × 352,234.26
  4. Step 4: Simplify right side
    624,173.58x = 303,395,123,576.45
  5. Step 5: Solve for x
    x = 303,395,123,576.45/624,173.58
  6. Step 6: Final answer
    x = 486,074.92

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1.5x scale

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.