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Finding the Fourth Proportional to 294,165.40, 440,211.30 and 205,000.60

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Solution

The fourth proportional to 294,165.40, 440,211.30 and 205,000.60 is: 306,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,165.40 : 440,211.30 = 205,000.60 : x
  2. Step 2: Convert to fraction form
    294,165.40/440,211.30 = 205,000.60/x
  3. Step 3: Cross multiply
    294,165.40x = 440,211.30 × 205,000.60
  4. Step 4: Simplify right side
    294,165.40x = 90,243,580,626.78
  5. Step 5: Solve for x
    x = 90,243,580,626.78/294,165.40
  6. Step 6: Final answer
    x = 306,778.37

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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.