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Finding the Fourth Proportional to 627,954.40, 866,599.88 and 359,734.24

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Solution

The fourth proportional to 627,954.40, 866,599.88 and 359,734.24 is: 496,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,954.40 : 866,599.88 = 359,734.24 : x
  2. Step 2: Convert to fraction form
    627,954.40/866,599.88 = 359,734.24/x
  3. Step 3: Cross multiply
    627,954.40x = 866,599.88 × 359,734.24
  4. Step 4: Simplify right side
    627,954.40x = 311,745,649,215.89
  5. Step 5: Solve for x
    x = 311,745,649,215.89/627,954.40
  6. Step 6: Final answer
    x = 496,446.32

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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.