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Finding the Fourth Proportional to 569,030.40, 851,702.40 and 443,692.80

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Solution

The fourth proportional to 569,030.40, 851,702.40 and 443,692.80 is: 664,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,030.40 : 851,702.40 = 443,692.80 : x
  2. Step 2: Convert to fraction form
    569,030.40/851,702.40 = 443,692.80/x
  3. Step 3: Cross multiply
    569,030.40x = 851,702.40 × 443,692.80
  4. Step 4: Simplify right side
    569,030.40x = 377,894,222,622.72
  5. Step 5: Solve for x
    x = 377,894,222,622.72/569,030.40
  6. Step 6: Final answer
    x = 664,101.99

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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.