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Finding the Fourth Proportional to 545,692.18, 818,500.15 and 204,070.59

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Solution

The fourth proportional to 545,692.18, 818,500.15 and 204,070.59 is: 306,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,692.18 : 818,500.15 = 204,070.59 : x
  2. Step 2: Convert to fraction form
    545,692.18/818,500.15 = 204,070.59/x
  3. Step 3: Cross multiply
    545,692.18x = 818,500.15 × 204,070.59
  4. Step 4: Simplify right side
    545,692.18x = 167,031,807,505.24
  5. Step 5: Solve for x
    x = 167,031,807,505.24/545,692.18
  6. Step 6: Final answer
    x = 306,091.63

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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.