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Finding the Fourth Proportional to 531,704.45, 797,552.58 and 132,342.56

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Solution

The fourth proportional to 531,704.45, 797,552.58 and 132,342.56 is: 198,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,704.45 : 797,552.58 = 132,342.56 : x
  2. Step 2: Convert to fraction form
    531,704.45/797,552.58 = 132,342.56/x
  3. Step 3: Cross multiply
    531,704.45x = 797,552.58 × 132,342.56
  4. Step 4: Simplify right side
    531,704.45x = 105,550,148,926.72
  5. Step 5: Solve for x
    x = 105,550,148,926.72/531,704.45
  6. Step 6: Final answer
    x = 198,512.82

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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.