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Finding the Fourth Proportional to 501,949.96, 692,692.02 and 275,609.80

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Solution

The fourth proportional to 501,949.96, 692,692.02 and 275,609.80 is: 380,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,949.96 : 692,692.02 = 275,609.80 : x
  2. Step 2: Convert to fraction form
    501,949.96/692,692.02 = 275,609.80/x
  3. Step 3: Cross multiply
    501,949.96x = 692,692.02 × 275,609.80
  4. Step 4: Simplify right side
    501,949.96x = 190,912,709,093.80
  5. Step 5: Solve for x
    x = 190,912,709,093.80/501,949.96
  6. Step 6: Final answer
    x = 380,342.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.