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Finding the Fourth Proportional to 577,665.20, 866,500.27 and 379,241.12

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Solution

The fourth proportional to 577,665.20, 866,500.27 and 379,241.12 is: 568,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,665.20 : 866,500.27 = 379,241.12 : x
  2. Step 2: Convert to fraction form
    577,665.20/866,500.27 = 379,241.12/x
  3. Step 3: Cross multiply
    577,665.20x = 866,500.27 × 379,241.12
  4. Step 4: Simplify right side
    577,665.20x = 328,612,534,093.25
  5. Step 5: Solve for x
    x = 328,612,534,093.25/577,665.20
  6. Step 6: Final answer
    x = 568,863.30

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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.