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Finding the Fourth Proportional to 624,727.80, 937,101.78 and 225,654.84

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Solution

The fourth proportional to 624,727.80, 937,101.78 and 225,654.84 is: 338,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,727.80 : 937,101.78 = 225,654.84 : x
  2. Step 2: Convert to fraction form
    624,727.80/937,101.78 = 225,654.84/x
  3. Step 3: Cross multiply
    624,727.80x = 937,101.78 × 225,654.84
  4. Step 4: Simplify right side
    624,727.80x = 211,461,552,229.62
  5. Step 5: Solve for x
    x = 211,461,552,229.62/624,727.80
  6. Step 6: Final answer
    x = 338,485.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.