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Finding the Fourth Proportional to 228,768.30, 343,152.45 and 149,052.15

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Solution

The fourth proportional to 228,768.30, 343,152.45 and 149,052.15 is: 223,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,768.30 : 343,152.45 = 149,052.15 : x
  2. Step 2: Convert to fraction form
    228,768.30/343,152.45 = 149,052.15/x
  3. Step 3: Cross multiply
    228,768.30x = 343,152.45 × 149,052.15
  4. Step 4: Simplify right side
    228,768.30x = 51,147,610,450.27
  5. Step 5: Solve for x
    x = 51,147,610,450.27/228,768.30
  6. Step 6: Final answer
    x = 223,578.23

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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.