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Finding the Fourth Proportional to 350,533.58, 483,759.14 and 203,388.57

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Solution

The fourth proportional to 350,533.58, 483,759.14 and 203,388.57 is: 280,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,533.58 : 483,759.14 = 203,388.57 : x
  2. Step 2: Convert to fraction form
    350,533.58/483,759.14 = 203,388.57/x
  3. Step 3: Cross multiply
    350,533.58x = 483,759.14 × 203,388.57
  4. Step 4: Simplify right side
    350,533.58x = 98,391,078,692.09
  5. Step 5: Solve for x
    x = 98,391,078,692.09/350,533.58
  6. Step 6: Final answer
    x = 280,689.46

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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.