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Finding the Fourth Proportional to 331,364.60, 497,046.90 and 109,748.60

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Solution

The fourth proportional to 331,364.60, 497,046.90 and 109,748.60 is: 164,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,364.60 : 497,046.90 = 109,748.60 : x
  2. Step 2: Convert to fraction form
    331,364.60/497,046.90 = 109,748.60/x
  3. Step 3: Cross multiply
    331,364.60x = 497,046.90 × 109,748.60
  4. Step 4: Simplify right side
    331,364.60x = 54,550,201,409.34
  5. Step 5: Solve for x
    x = 54,550,201,409.34/331,364.60
  6. Step 6: Final answer
    x = 164,622.90

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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.