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Finding the Fourth Proportional to 627,958.90, 866,606.08 and 359,738.74

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Solution

The fourth proportional to 627,958.90, 866,606.08 and 359,738.74 is: 496,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,958.90 : 866,606.08 = 359,738.74 : x
  2. Step 2: Convert to fraction form
    627,958.90/866,606.08 = 359,738.74/x
  3. Step 3: Cross multiply
    627,958.90x = 866,606.08 × 359,738.74
  4. Step 4: Simplify right side
    627,958.90x = 311,751,779,295.54
  5. Step 5: Solve for x
    x = 311,751,779,295.54/627,958.90
  6. Step 6: Final answer
    x = 496,452.52

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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.