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Finding the Fourth Proportional to 395,777.12, 546,231.04 and 250,596.39

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Solution

The fourth proportional to 395,777.12, 546,231.04 and 250,596.39 is: 345,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,777.12 : 546,231.04 = 250,596.39 : x
  2. Step 2: Convert to fraction form
    395,777.12/546,231.04 = 250,596.39/x
  3. Step 3: Cross multiply
    395,777.12x = 546,231.04 × 250,596.39
  4. Step 4: Simplify right side
    395,777.12x = 136,883,526,103.46
  5. Step 5: Solve for x
    x = 136,883,526,103.46/395,777.12
  6. Step 6: Final answer
    x = 345,860.13

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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.