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Finding the Fourth Proportional to 624,896.73, 862,353.18 and 338,410.26

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Solution

The fourth proportional to 624,896.73, 862,353.18 and 338,410.26 is: 467,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,896.73 : 862,353.18 = 338,410.26 : x
  2. Step 2: Convert to fraction form
    624,896.73/862,353.18 = 338,410.26/x
  3. Step 3: Cross multiply
    624,896.73x = 862,353.18 × 338,410.26
  4. Step 4: Simplify right side
    624,896.73x = 291,829,163,855.63
  5. Step 5: Solve for x
    x = 291,829,163,855.63/624,896.73
  6. Step 6: Final answer
    x = 467,003.83

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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.