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Finding the Fourth Proportional to 364,604.48, 546,961.41 and 127,905.46

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Solution

The fourth proportional to 364,604.48, 546,961.41 and 127,905.46 is: 191,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,604.48 : 546,961.41 = 127,905.46 : x
  2. Step 2: Convert to fraction form
    364,604.48/546,961.41 = 127,905.46/x
  3. Step 3: Cross multiply
    364,604.48x = 546,961.41 × 127,905.46
  4. Step 4: Simplify right side
    364,604.48x = 69,959,350,748.30
  5. Step 5: Solve for x
    x = 69,959,350,748.30/364,604.48
  6. Step 6: Final answer
    x = 191,877.38

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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.