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Finding the Fourth Proportional to 289,183.28, 433,795.24 and 89,477.44

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Solution

The fourth proportional to 289,183.28, 433,795.24 and 89,477.44 is: 134,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,183.28 : 433,795.24 = 89,477.44 : x
  2. Step 2: Convert to fraction form
    289,183.28/433,795.24 = 89,477.44/x
  3. Step 3: Cross multiply
    289,183.28x = 433,795.24 × 89,477.44
  4. Step 4: Simplify right side
    289,183.28x = 38,814,887,559.39
  5. Step 5: Solve for x
    x = 38,814,887,559.39/289,183.28
  6. Step 6: Final answer
    x = 134,222.45

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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.