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Finding the Fourth Proportional to 627,555.72, 866,027.04 and 341,075.88

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Solution

The fourth proportional to 627,555.72, 866,027.04 and 341,075.88 is: 470,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,555.72 : 866,027.04 = 341,075.88 : x
  2. Step 2: Convert to fraction form
    627,555.72/866,027.04 = 341,075.88/x
  3. Step 3: Cross multiply
    627,555.72x = 866,027.04 × 341,075.88
  4. Step 4: Simplify right side
    627,555.72x = 295,380,934,771.80
  5. Step 5: Solve for x
    x = 295,380,934,771.80/627,555.72
  6. Step 6: Final answer
    x = 470,684.79

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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.