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Finding the Fourth Proportional to 380,487.17, 524,819.41 and 244,692.90

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Solution

The fourth proportional to 380,487.17, 524,819.41 and 244,692.90 is: 337,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,487.17 : 524,819.41 = 244,692.90 : x
  2. Step 2: Convert to fraction form
    380,487.17/524,819.41 = 244,692.90/x
  3. Step 3: Cross multiply
    380,487.17x = 524,819.41 × 244,692.90
  4. Step 4: Simplify right side
    380,487.17x = 128,419,582,797.46
  5. Step 5: Solve for x
    x = 128,419,582,797.46/380,487.17
  6. Step 6: Final answer
    x = 337,513.57

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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.