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Finding the Fourth Proportional to 405,964.60, 608,946.90 and 110,476.60

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Solution

The fourth proportional to 405,964.60, 608,946.90 and 110,476.60 is: 165,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,964.60 : 608,946.90 = 110,476.60 : x
  2. Step 2: Convert to fraction form
    405,964.60/608,946.90 = 110,476.60/x
  3. Step 3: Cross multiply
    405,964.60x = 608,946.90 × 110,476.60
  4. Step 4: Simplify right side
    405,964.60x = 67,274,383,092.54
  5. Step 5: Solve for x
    x = 67,274,383,092.54/405,964.60
  6. Step 6: Final answer
    x = 165,714.90

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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.