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Finding the Fourth Proportional to 360,771.81, 540,990.91 and 203,000.25

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Solution

The fourth proportional to 360,771.81, 540,990.91 and 203,000.25 is: 304,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,771.81 : 540,990.91 = 203,000.25 : x
  2. Step 2: Convert to fraction form
    360,771.81/540,990.91 = 203,000.25/x
  3. Step 3: Cross multiply
    360,771.81x = 540,990.91 × 203,000.25
  4. Step 4: Simplify right side
    360,771.81x = 109,821,289,977.73
  5. Step 5: Solve for x
    x = 109,821,289,977.73/360,771.81
  6. Step 6: Final answer
    x = 304,406.52

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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.