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Finding the Fourth Proportional to 301,404.38, 415,938.04 and 167,268.38

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Solution

The fourth proportional to 301,404.38, 415,938.04 and 167,268.38 is: 230,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,404.38 : 415,938.04 = 167,268.38 : x
  2. Step 2: Convert to fraction form
    301,404.38/415,938.04 = 167,268.38/x
  3. Step 3: Cross multiply
    301,404.38x = 415,938.04 × 167,268.38
  4. Step 4: Simplify right side
    301,404.38x = 69,573,279,633.31
  5. Step 5: Solve for x
    x = 69,573,279,633.31/301,404.38
  6. Step 6: Final answer
    x = 230,830.36

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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.