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Finding the Fourth Proportional to 628,033.70, 866,692.86 and 341,560.10

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Solution

The fourth proportional to 628,033.70, 866,692.86 and 341,560.10 is: 471,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,033.70 : 866,692.86 = 341,560.10 : x
  2. Step 2: Convert to fraction form
    628,033.70/866,692.86 = 341,560.10/x
  3. Step 3: Cross multiply
    628,033.70x = 866,692.86 × 341,560.10
  4. Step 4: Simplify right side
    628,033.70x = 296,027,699,930.89
  5. Step 5: Solve for x
    x = 296,027,699,930.89/628,033.70
  6. Step 6: Final answer
    x = 471,356.39

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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.