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Finding the Fourth Proportional to 627,764.64, 866,325.06 and 341,285.82

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Solution

The fourth proportional to 627,764.64, 866,325.06 and 341,285.82 is: 470,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,764.64 : 866,325.06 = 341,285.82 : x
  2. Step 2: Convert to fraction form
    627,764.64/866,325.06 = 341,285.82/x
  3. Step 3: Cross multiply
    627,764.64x = 866,325.06 × 341,285.82
  4. Step 4: Simplify right side
    627,764.64x = 295,664,458,488.65
  5. Step 5: Solve for x
    x = 295,664,458,488.65/627,764.64
  6. Step 6: Final answer
    x = 470,979.79

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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.