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Finding the Fourth Proportional to 301,561.60, 451,686.30 and 242,512.60

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Solution

The fourth proportional to 301,561.60, 451,686.30 and 242,512.60 is: 363,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,561.60 : 451,686.30 = 242,512.60 : x
  2. Step 2: Convert to fraction form
    301,561.60/451,686.30 = 242,512.60/x
  3. Step 3: Cross multiply
    301,561.60x = 451,686.30 × 242,512.60
  4. Step 4: Simplify right side
    301,561.60x = 109,539,618,997.38
  5. Step 5: Solve for x
    x = 109,539,618,997.38/301,561.60
  6. Step 6: Final answer
    x = 363,241.27

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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.