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Finding the Fourth Proportional to 610,861.75, 916,424.23 and 184,361.88

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Solution

The fourth proportional to 610,861.75, 916,424.23 and 184,361.88 is: 276,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,861.75 : 916,424.23 = 184,361.88 : x
  2. Step 2: Convert to fraction form
    610,861.75/916,424.23 = 184,361.88/x
  3. Step 3: Cross multiply
    610,861.75x = 916,424.23 × 184,361.88
  4. Step 4: Simplify right side
    610,861.75x = 168,953,693,920.35
  5. Step 5: Solve for x
    x = 168,953,693,920.35/610,861.75
  6. Step 6: Final answer
    x = 276,582.54

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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.