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Finding the Fourth Proportional to 610,679.63, 916,027.24 and 161,396.62

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Solution

The fourth proportional to 610,679.63, 916,027.24 and 161,396.62 is: 242,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,679.63 : 916,027.24 = 161,396.62 : x
  2. Step 2: Convert to fraction form
    610,679.63/916,027.24 = 161,396.62/x
  3. Step 3: Cross multiply
    610,679.63x = 916,027.24 × 161,396.62
  4. Step 4: Simplify right side
    610,679.63x = 147,843,697,670.37
  5. Step 5: Solve for x
    x = 147,843,697,670.37/610,679.63
  6. Step 6: Final answer
    x = 242,096.98

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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.