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Finding the Fourth Proportional to 627,057.36, 940,835.25 and 200,658.87

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Solution

The fourth proportional to 627,057.36, 940,835.25 and 200,658.87 is: 301,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,057.36 : 940,835.25 = 200,658.87 : x
  2. Step 2: Convert to fraction form
    627,057.36/940,835.25 = 200,658.87/x
  3. Step 3: Cross multiply
    627,057.36x = 940,835.25 × 200,658.87
  4. Step 4: Simplify right side
    627,057.36x = 188,786,938,121.17
  5. Step 5: Solve for x
    x = 188,786,938,121.17/627,057.36
  6. Step 6: Final answer
    x = 301,068.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.