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Finding the Fourth Proportional to 493,669.69, 740,504.63 and 119,692.69

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Solution

The fourth proportional to 493,669.69, 740,504.63 and 119,692.69 is: 179,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,669.69 : 740,504.63 = 119,692.69 : x
  2. Step 2: Convert to fraction form
    493,669.69/740,504.63 = 119,692.69/x
  3. Step 3: Cross multiply
    493,669.69x = 740,504.63 × 119,692.69
  4. Step 4: Simplify right side
    493,669.69x = 88,632,989,570.12
  5. Step 5: Solve for x
    x = 88,632,989,570.12/493,669.69
  6. Step 6: Final answer
    x = 179,539.06

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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.