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Finding the Fourth Proportional to 627,595.20, 866,082.48 and 341,114.52

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Solution

The fourth proportional to 627,595.20, 866,082.48 and 341,114.52 is: 470,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,595.20 : 866,082.48 = 341,114.52 : x
  2. Step 2: Convert to fraction form
    627,595.20/866,082.48 = 341,114.52/x
  3. Step 3: Cross multiply
    627,595.20x = 866,082.48 × 341,114.52
  4. Step 4: Simplify right side
    627,595.20x = 295,433,309,445.61
  5. Step 5: Solve for x
    x = 295,433,309,445.61/627,595.20
  6. Step 6: Final answer
    x = 470,738.64

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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.