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Finding the Fourth Proportional to 662,734.40, 994,101.60 and 189,435.20

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Solution

The fourth proportional to 662,734.40, 994,101.60 and 189,435.20 is: 284,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,734.40 : 994,101.60 = 189,435.20 : x
  2. Step 2: Convert to fraction form
    662,734.40/994,101.60 = 189,435.20/x
  3. Step 3: Cross multiply
    662,734.40x = 994,101.60 × 189,435.20
  4. Step 4: Simplify right side
    662,734.40x = 188,317,835,416.32
  5. Step 5: Solve for x
    x = 188,317,835,416.32/662,734.40
  6. Step 6: Final answer
    x = 284,152.80

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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.