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Finding the Fourth Proportional to 628,033.20, 866,692.17 and 341,559.60

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Solution

The fourth proportional to 628,033.20, 866,692.17 and 341,559.60 is: 471,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,033.20 : 866,692.17 = 341,559.60 : x
  2. Step 2: Convert to fraction form
    628,033.20/866,692.17 = 341,559.60/x
  3. Step 3: Cross multiply
    628,033.20x = 866,692.17 × 341,559.60
  4. Step 4: Simplify right side
    628,033.20x = 296,027,030,908.33
  5. Step 5: Solve for x
    x = 296,027,030,908.33/628,033.20
  6. Step 6: Final answer
    x = 471,355.70

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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.