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Finding the Fourth Proportional to 395,672.37, 546,054.66 and 223,530.63

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Solution

The fourth proportional to 395,672.37, 546,054.66 and 223,530.63 is: 308,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,672.37 : 546,054.66 = 223,530.63 : x
  2. Step 2: Convert to fraction form
    395,672.37/546,054.66 = 223,530.63/x
  3. Step 3: Cross multiply
    395,672.37x = 546,054.66 × 223,530.63
  4. Step 4: Simplify right side
    395,672.37x = 122,059,942,164.24
  5. Step 5: Solve for x
    x = 122,059,942,164.24/395,672.37
  6. Step 6: Final answer
    x = 308,487.40

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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.