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Finding the Fourth Proportional to 395,777.68, 546,171.82 and 214,494.06

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Solution

The fourth proportional to 395,777.68, 546,171.82 and 214,494.06 is: 296,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,777.68 : 546,171.82 = 214,494.06 : x
  2. Step 2: Convert to fraction form
    395,777.68/546,171.82 = 214,494.06/x
  3. Step 3: Cross multiply
    395,777.68x = 546,171.82 × 214,494.06
  4. Step 4: Simplify right side
    395,777.68x = 117,150,611,129.39
  5. Step 5: Solve for x
    x = 117,150,611,129.39/395,777.68
  6. Step 6: Final answer
    x = 296,001.06

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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.