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Finding the Fourth Proportional to 258,734.40, 388,101.60 and 244,300.20

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Solution

The fourth proportional to 258,734.40, 388,101.60 and 244,300.20 is: 366,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,734.40 : 388,101.60 = 244,300.20 : x
  2. Step 2: Convert to fraction form
    258,734.40/388,101.60 = 244,300.20/x
  3. Step 3: Cross multiply
    258,734.40x = 388,101.60 × 244,300.20
  4. Step 4: Simplify right side
    258,734.40x = 94,813,298,500.32
  5. Step 5: Solve for x
    x = 94,813,298,500.32/258,734.40
  6. Step 6: Final answer
    x = 366,450.30

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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.