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Finding the Fourth Proportional to 404,265.75, 606,396.19 and 104,745.57

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Solution

The fourth proportional to 404,265.75, 606,396.19 and 104,745.57 is: 157,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,265.75 : 606,396.19 = 104,745.57 : x
  2. Step 2: Convert to fraction form
    404,265.75/606,396.19 = 104,745.57/x
  3. Step 3: Cross multiply
    404,265.75x = 606,396.19 × 104,745.57
  4. Step 4: Simplify right side
    404,265.75x = 63,517,314,567.38
  5. Step 5: Solve for x
    x = 63,517,314,567.38/404,265.75
  6. Step 6: Final answer
    x = 157,117.72

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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.