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Finding the Fourth Proportional to 352,511.25, 486,466.13 and 201,608.25

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Solution

The fourth proportional to 352,511.25, 486,466.13 and 201,608.25 is: 278,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511.25 : 486,466.13 = 201,608.25 : x
  2. Step 2: Convert to fraction form
    352,511.25/486,466.13 = 201,608.25/x
  3. Step 3: Cross multiply
    352,511.25x = 486,466.13 × 201,608.25
  4. Step 4: Simplify right side
    352,511.25x = 98,075,585,657.59
  5. Step 5: Solve for x
    x = 98,075,585,657.59/352,511.25
  6. Step 6: Final answer
    x = 278,219.73

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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.