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Finding the Fourth Proportional to 395,671.37, 546,053.28 and 223,529.63

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Solution

The fourth proportional to 395,671.37, 546,053.28 and 223,529.63 is: 308,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,671.37 : 546,053.28 = 223,529.63 : x
  2. Step 2: Convert to fraction form
    395,671.37/546,053.28 = 223,529.63/x
  3. Step 3: Cross multiply
    395,671.37x = 546,053.28 × 223,529.63
  4. Step 4: Simplify right side
    395,671.37x = 122,059,087,638.69
  5. Step 5: Solve for x
    x = 122,059,087,638.69/395,671.37
  6. Step 6: Final answer
    x = 308,486.02

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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.