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Finding the Fourth Proportional to 627,930.36, 866,560.32 and 341,467.20

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Solution

The fourth proportional to 627,930.36, 866,560.32 and 341,467.20 is: 471,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,930.36 : 866,560.32 = 341,467.20 : x
  2. Step 2: Convert to fraction form
    627,930.36/866,560.32 = 341,467.20/x
  3. Step 3: Cross multiply
    627,930.36x = 866,560.32 × 341,467.20
  4. Step 4: Simplify right side
    627,930.36x = 295,901,926,101.50
  5. Step 5: Solve for x
    x = 295,901,926,101.50/627,930.36
  6. Step 6: Final answer
    x = 471,233.67

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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.