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Finding the Fourth Proportional to 324,015.60, 486,096.30 and 190,827.30

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Solution

The fourth proportional to 324,015.60, 486,096.30 and 190,827.30 is: 286,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,015.60 : 486,096.30 = 190,827.30 : x
  2. Step 2: Convert to fraction form
    324,015.60/486,096.30 = 190,827.30/x
  3. Step 3: Cross multiply
    324,015.60x = 486,096.30 × 190,827.30
  4. Step 4: Simplify right side
    324,015.60x = 92,760,444,468.99
  5. Step 5: Solve for x
    x = 92,760,444,468.99/324,015.60
  6. Step 6: Final answer
    x = 286,283.88

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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.