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Finding the Fourth Proportional to 453,076.50, 679,599.32 and 116,120.46

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Solution

The fourth proportional to 453,076.50, 679,599.32 and 116,120.46 is: 174,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,076.50 : 679,599.32 = 116,120.46 : x
  2. Step 2: Convert to fraction form
    453,076.50/679,599.32 = 116,120.46/x
  3. Step 3: Cross multiply
    453,076.50x = 679,599.32 × 116,120.46
  4. Step 4: Simplify right side
    453,076.50x = 78,915,385,654.09
  5. Step 5: Solve for x
    x = 78,915,385,654.09/453,076.50
  6. Step 6: Final answer
    x = 174,176.74

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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.