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Finding the Fourth Proportional to 341,577.90, 512,366.85 and 104,920.20

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Solution

The fourth proportional to 341,577.90, 512,366.85 and 104,920.20 is: 157,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,577.90 : 512,366.85 = 104,920.20 : x
  2. Step 2: Convert to fraction form
    341,577.90/512,366.85 = 104,920.20/x
  3. Step 3: Cross multiply
    341,577.90x = 512,366.85 × 104,920.20
  4. Step 4: Simplify right side
    341,577.90x = 53,757,632,375.37
  5. Step 5: Solve for x
    x = 53,757,632,375.37/341,577.90
  6. Step 6: Final answer
    x = 157,380.30

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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.