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Finding the Fourth Proportional to 627,835.60, 941,710.20 and 201,365.20

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Solution

The fourth proportional to 627,835.60, 941,710.20 and 201,365.20 is: 302,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,835.60 : 941,710.20 = 201,365.20 : x
  2. Step 2: Convert to fraction form
    627,835.60/941,710.20 = 201,365.20/x
  3. Step 3: Cross multiply
    627,835.60x = 941,710.20 × 201,365.20
  4. Step 4: Simplify right side
    627,835.60x = 189,627,662,765.04
  5. Step 5: Solve for x
    x = 189,627,662,765.04/627,835.60
  6. Step 6: Final answer
    x = 302,033.94

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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.