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Finding the Fourth Proportional to 493,669.50, 740,506.68 and 119,692.50

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Solution

The fourth proportional to 493,669.50, 740,506.68 and 119,692.50 is: 179,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,669.50 : 740,506.68 = 119,692.50 : x
  2. Step 2: Convert to fraction form
    493,669.50/740,506.68 = 119,692.50/x
  3. Step 3: Cross multiply
    493,669.50x = 740,506.68 × 119,692.50
  4. Step 4: Simplify right side
    493,669.50x = 88,633,095,795.90
  5. Step 5: Solve for x
    x = 88,633,095,795.90/493,669.50
  6. Step 6: Final answer
    x = 179,539.34

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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.