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Finding the Fourth Proportional to 994,692.68, 1,492,480.04 and 521,265.48

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Solution

The fourth proportional to 994,692.68, 1,492,480.04 and 521,265.48 is: 782,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,692.68 : 1,492,480.04 = 521,265.48 : x
  2. Step 2: Convert to fraction form
    994,692.68/1,492,480.04 = 521,265.48/x
  3. Step 3: Cross multiply
    994,692.68x = 1,492,480.04 × 521,265.48
  4. Step 4: Simplify right side
    994,692.68x = 777,978,324,441.02
  5. Step 5: Solve for x
    x = 777,978,324,441.02/994,692.68
  6. Step 6: Final answer
    x = 782,129.34

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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.