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Finding the Fourth Proportional to 254,608.88, 382,146.60 and 253,656.32

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Solution

The fourth proportional to 254,608.88, 382,146.60 and 253,656.32 is: 380,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,608.88 : 382,146.60 = 253,656.32 : x
  2. Step 2: Convert to fraction form
    254,608.88/382,146.60 = 253,656.32/x
  3. Step 3: Cross multiply
    254,608.88x = 382,146.60 × 253,656.32
  4. Step 4: Simplify right side
    254,608.88x = 96,933,900,256.51
  5. Step 5: Solve for x
    x = 96,933,900,256.51/254,608.88
  6. Step 6: Final answer
    x = 380,716.89

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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.