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Finding the Fourth Proportional to 365,649.12, 548,683.20 and 197,168.67

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Solution

The fourth proportional to 365,649.12, 548,683.20 and 197,168.67 is: 295,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,649.12 : 548,683.20 = 197,168.67 : x
  2. Step 2: Convert to fraction form
    365,649.12/548,683.20 = 197,168.67/x
  3. Step 3: Cross multiply
    365,649.12x = 548,683.20 × 197,168.67
  4. Step 4: Simplify right side
    365,649.12x = 108,183,136,795.34
  5. Step 5: Solve for x
    x = 108,183,136,795.34/365,649.12
  6. Step 6: Final answer
    x = 295,865.98

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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.