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Finding the Fourth Proportional to 450,331.77, 675,505.86 and 150,756.51

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Solution

The fourth proportional to 450,331.77, 675,505.86 and 150,756.51 is: 226,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,331.77 : 675,505.86 = 150,756.51 : x
  2. Step 2: Convert to fraction form
    450,331.77/675,505.86 = 150,756.51/x
  3. Step 3: Cross multiply
    450,331.77x = 675,505.86 × 150,756.51
  4. Step 4: Simplify right side
    450,331.77x = 101,836,905,938.15
  5. Step 5: Solve for x
    x = 101,836,905,938.15/450,331.77
  6. Step 6: Final answer
    x = 226,137.51

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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.