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Finding the Fourth Proportional to 366,372.63, 505,622.28 and 230,523.03

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Solution

The fourth proportional to 366,372.63, 505,622.28 and 230,523.03 is: 318,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,372.63 : 505,622.28 = 230,523.03 : x
  2. Step 2: Convert to fraction form
    366,372.63/505,622.28 = 230,523.03/x
  3. Step 3: Cross multiply
    366,372.63x = 505,622.28 × 230,523.03
  4. Step 4: Simplify right side
    366,372.63x = 116,557,580,021.11
  5. Step 5: Solve for x
    x = 116,557,580,021.11/366,372.63
  6. Step 6: Final answer
    x = 318,139.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.