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Finding the Fourth Proportional to 281,805.60, 422,708.40 and 246,813.60

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Solution

The fourth proportional to 281,805.60, 422,708.40 and 246,813.60 is: 370,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,805.60 : 422,708.40 = 246,813.60 : x
  2. Step 2: Convert to fraction form
    281,805.60/422,708.40 = 246,813.60/x
  3. Step 3: Cross multiply
    281,805.60x = 422,708.40 × 246,813.60
  4. Step 4: Simplify right side
    281,805.60x = 104,330,181,954.24
  5. Step 5: Solve for x
    x = 104,330,181,954.24/281,805.60
  6. Step 6: Final answer
    x = 370,220.40

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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.