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Finding the Fourth Proportional to 281,809.60, 422,714.40 and 246,817.60

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Solution

The fourth proportional to 281,809.60, 422,714.40 and 246,817.60 is: 370,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,809.60 : 422,714.40 = 246,817.60 : x
  2. Step 2: Convert to fraction form
    281,809.60/422,714.40 = 246,817.60/x
  3. Step 3: Cross multiply
    281,809.60x = 422,714.40 × 246,817.60
  4. Step 4: Simplify right side
    281,809.60x = 104,333,353,693.44
  5. Step 5: Solve for x
    x = 104,333,353,693.44/281,809.60
  6. Step 6: Final answer
    x = 370,226.40

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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.