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Finding the Fourth Proportional to 301,028.54, 415,403.39 and 171,941.66

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Solution

The fourth proportional to 301,028.54, 415,403.39 and 171,941.66 is: 237,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,028.54 : 415,403.39 = 171,941.66 : x
  2. Step 2: Convert to fraction form
    301,028.54/415,403.39 = 171,941.66/x
  3. Step 3: Cross multiply
    301,028.54x = 415,403.39 × 171,941.66
  4. Step 4: Simplify right side
    301,028.54x = 71,425,148,446.23
  5. Step 5: Solve for x
    x = 71,425,148,446.23/301,028.54
  6. Step 6: Final answer
    x = 237,270.35

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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.