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Finding the Fourth Proportional to 1,533.99, 2,300.49 and 609.27

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Solution

The fourth proportional to 1,533.99, 2,300.49 and 609.27 is: 913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.99 : 2,300.49 = 609.27 : x
  2. Step 2: Convert to fraction form
    1,533.99/2,300.49 = 609.27/x
  3. Step 3: Cross multiply
    1,533.99x = 2,300.49 × 609.27
  4. Step 4: Simplify right side
    1,533.99x = 1,401,619.54
  5. Step 5: Solve for x
    x = 1,401,619.54/1,533.99
  6. Step 6: Final answer
    x = 913.71

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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.