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Finding the Fourth Proportional to 627.95, 935.62 and 604.40

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Solution

The fourth proportional to 627.95, 935.62 and 604.40 is: 900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.95 : 935.62 = 604.40 : x
  2. Step 2: Convert to fraction form
    627.95/935.62 = 604.40/x
  3. Step 3: Cross multiply
    627.95x = 935.62 × 604.40
  4. Step 4: Simplify right side
    627.95x = 565,482.54
  5. Step 5: Solve for x
    x = 565,482.54/627.95
  6. Step 6: Final answer
    x = 900.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.