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Finding the Fourth Proportional to 627,618.60, 941,427.90 and 201,153.60

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Solution

The fourth proportional to 627,618.60, 941,427.90 and 201,153.60 is: 301,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,618.60 : 941,427.90 = 201,153.60 : x
  2. Step 2: Convert to fraction form
    627,618.60/941,427.90 = 201,153.60/x
  3. Step 3: Cross multiply
    627,618.60x = 941,427.90 × 201,153.60
  4. Step 4: Simplify right side
    627,618.60x = 189,371,611,225.44
  5. Step 5: Solve for x
    x = 189,371,611,225.44/627,618.60
  6. Step 6: Final answer
    x = 301,730.40

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Double scale
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Similar ratio
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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.