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Finding the Fourth Proportional to 450,490.90, 675,728.41 and 113,524.02

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Solution

The fourth proportional to 450,490.90, 675,728.41 and 113,524.02 is: 170,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,490.90 : 675,728.41 = 113,524.02 : x
  2. Step 2: Convert to fraction form
    450,490.90/675,728.41 = 113,524.02/x
  3. Step 3: Cross multiply
    450,490.90x = 675,728.41 × 113,524.02
  4. Step 4: Simplify right side
    450,490.90x = 76,711,405,531.41
  5. Step 5: Solve for x
    x = 76,711,405,531.41/450,490.90
  6. Step 6: Final answer
    x = 170,284.03

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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.