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Finding the Fourth Proportional to 627,699.52, 866,242.24 and 341,239.04

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Solution

The fourth proportional to 627,699.52, 866,242.24 and 341,239.04 is: 470,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,699.52 : 866,242.24 = 341,239.04 : x
  2. Step 2: Convert to fraction form
    627,699.52/866,242.24 = 341,239.04/x
  3. Step 3: Cross multiply
    627,699.52x = 866,242.24 × 341,239.04
  4. Step 4: Simplify right side
    627,699.52x = 295,595,670,385.05
  5. Step 5: Solve for x
    x = 295,595,670,385.05/627,699.52
  6. Step 6: Final answer
    x = 470,919.06

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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.