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Finding the Fourth Proportional to 323,234.70, 484,626.63 and 143,222.22

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Solution

The fourth proportional to 323,234.70, 484,626.63 and 143,222.22 is: 214,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,234.70 : 484,626.63 = 143,222.22 : x
  2. Step 2: Convert to fraction form
    323,234.70/484,626.63 = 143,222.22/x
  3. Step 3: Cross multiply
    323,234.70x = 484,626.63 × 143,222.22
  4. Step 4: Simplify right side
    323,234.70x = 69,409,301,819.72
  5. Step 5: Solve for x
    x = 69,409,301,819.72/323,234.70
  6. Step 6: Final answer
    x = 214,733.45

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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.