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Finding the Fourth Proportional to 452,054.71, 678,059.79 and 167,800.60

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Solution

The fourth proportional to 452,054.71, 678,059.79 and 167,800.60 is: 251,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,054.71 : 678,059.79 = 167,800.60 : x
  2. Step 2: Convert to fraction form
    452,054.71/678,059.79 = 167,800.60/x
  3. Step 3: Cross multiply
    452,054.71x = 678,059.79 × 167,800.60
  4. Step 4: Simplify right side
    452,054.71x = 113,778,839,597.87
  5. Step 5: Solve for x
    x = 113,778,839,597.87/452,054.71
  6. Step 6: Final answer
    x = 251,692.63

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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.