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Finding the Fourth Proportional to 361,956.60, 542,999.70 and 151,615.80

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Solution

The fourth proportional to 361,956.60, 542,999.70 and 151,615.80 is: 227,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,956.60 : 542,999.70 = 151,615.80 : x
  2. Step 2: Convert to fraction form
    361,956.60/542,999.70 = 151,615.80/x
  3. Step 3: Cross multiply
    361,956.60x = 542,999.70 × 151,615.80
  4. Step 4: Simplify right side
    361,956.60x = 82,327,333,915.26
  5. Step 5: Solve for x
    x = 82,327,333,915.26/361,956.60
  6. Step 6: Final answer
    x = 227,450.84

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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.