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Finding the Fourth Proportional to 624,208.44, 936,000.90 and 203,431.80

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Solution

The fourth proportional to 624,208.44, 936,000.90 and 203,431.80 is: 305,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,208.44 : 936,000.90 = 203,431.80 : x
  2. Step 2: Convert to fraction form
    624,208.44/936,000.90 = 203,431.80/x
  3. Step 3: Cross multiply
    624,208.44x = 936,000.90 × 203,431.80
  4. Step 4: Simplify right side
    624,208.44x = 190,412,347,888.62
  5. Step 5: Solve for x
    x = 190,412,347,888.62/624,208.44
  6. Step 6: Final answer
    x = 305,046.10

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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.