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Finding the Fourth Proportional to 322,085.64, 483,007.50 and 111,672.84

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Solution

The fourth proportional to 322,085.64, 483,007.50 and 111,672.84 is: 167,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,085.64 : 483,007.50 = 111,672.84 : x
  2. Step 2: Convert to fraction form
    322,085.64/483,007.50 = 111,672.84/x
  3. Step 3: Cross multiply
    322,085.64x = 483,007.50 × 111,672.84
  4. Step 4: Simplify right side
    322,085.64x = 53,938,819,266.30
  5. Step 5: Solve for x
    x = 53,938,819,266.30/322,085.64
  6. Step 6: Final answer
    x = 167,467.32

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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.