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Finding the Fourth Proportional to 329,374.11, 493,679.88 and 151,507.83

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Solution

The fourth proportional to 329,374.11, 493,679.88 and 151,507.83 is: 227,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,374.11 : 493,679.88 = 151,507.83 : x
  2. Step 2: Convert to fraction form
    329,374.11/493,679.88 = 151,507.83/x
  3. Step 3: Cross multiply
    329,374.11x = 493,679.88 × 151,507.83
  4. Step 4: Simplify right side
    329,374.11x = 74,796,367,333.46
  5. Step 5: Solve for x
    x = 74,796,367,333.46/329,374.11
  6. Step 6: Final answer
    x = 227,086.36

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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.