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Finding the Fourth Proportional to 552,690.60, 829,035.90 and 545,692.20

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Solution

The fourth proportional to 552,690.60, 829,035.90 and 545,692.20 is: 818,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,690.60 : 829,035.90 = 545,692.20 : x
  2. Step 2: Convert to fraction form
    552,690.60/829,035.90 = 545,692.20/x
  3. Step 3: Cross multiply
    552,690.60x = 829,035.90 × 545,692.20
  4. Step 4: Simplify right side
    552,690.60x = 452,398,424,149.98
  5. Step 5: Solve for x
    x = 452,398,424,149.98/552,690.60
  6. Step 6: Final answer
    x = 818,538.30

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Similar ratio
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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.