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Finding the Fourth Proportional to 329,602.20, 493,625.70 and 223,848.60

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Solution

The fourth proportional to 329,602.20, 493,625.70 and 223,848.60 is: 335,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,602.20 : 493,625.70 = 223,848.60 : x
  2. Step 2: Convert to fraction form
    329,602.20/493,625.70 = 223,848.60/x
  3. Step 3: Cross multiply
    329,602.20x = 493,625.70 × 223,848.60
  4. Step 4: Simplify right side
    329,602.20x = 110,497,421,869.02
  5. Step 5: Solve for x
    x = 110,497,421,869.02/329,602.20
  6. Step 6: Final answer
    x = 335,244.79

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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.