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Finding the Fourth Proportional to 627,968.08, 866,618.76 and 359,747.92

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Solution

The fourth proportional to 627,968.08, 866,618.76 and 359,747.92 is: 496,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,968.08 : 866,618.76 = 359,747.92 : x
  2. Step 2: Convert to fraction form
    627,968.08/866,618.76 = 359,747.92/x
  3. Step 3: Cross multiply
    627,968.08x = 866,618.76 × 359,747.92
  4. Step 4: Simplify right side
    627,968.08x = 311,764,296,342.98
  5. Step 5: Solve for x
    x = 311,764,296,342.98/627,968.08
  6. Step 6: Final answer
    x = 496,465.20

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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.