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Finding the Fourth Proportional to 627,837.22, 866,410.98 and 341,357.38

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Solution

The fourth proportional to 627,837.22, 866,410.98 and 341,357.38 is: 471,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,837.22 : 866,410.98 = 341,357.38 : x
  2. Step 2: Convert to fraction form
    627,837.22/866,410.98 = 341,357.38/x
  3. Step 3: Cross multiply
    627,837.22x = 866,410.98 × 341,357.38
  4. Step 4: Simplify right side
    627,837.22x = 295,755,782,136.03
  5. Step 5: Solve for x
    x = 295,755,782,136.03/627,837.22
  6. Step 6: Final answer
    x = 471,070.80

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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.