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Finding the Fourth Proportional to 245,861.50, 369,103.53 and 150,858.30

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Solution

The fourth proportional to 245,861.50, 369,103.53 and 150,858.30 is: 226,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,861.50 : 369,103.53 = 150,858.30 : x
  2. Step 2: Convert to fraction form
    245,861.50/369,103.53 = 150,858.30/x
  3. Step 3: Cross multiply
    245,861.50x = 369,103.53 × 150,858.30
  4. Step 4: Simplify right side
    245,861.50x = 55,682,331,059.80
  5. Step 5: Solve for x
    x = 55,682,331,059.80/245,861.50
  6. Step 6: Final answer
    x = 226,478.45

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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.