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Finding the Fourth Proportional to 324,630.60, 486,945.90 and 103,014.60

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Solution

The fourth proportional to 324,630.60, 486,945.90 and 103,014.60 is: 154,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,630.60 : 486,945.90 = 103,014.60 : x
  2. Step 2: Convert to fraction form
    324,630.60/486,945.90 = 103,014.60/x
  3. Step 3: Cross multiply
    324,630.60x = 486,945.90 × 103,014.60
  4. Step 4: Simplify right side
    324,630.60x = 50,162,537,110.14
  5. Step 5: Solve for x
    x = 50,162,537,110.14/324,630.60
  6. Step 6: Final answer
    x = 154,521.90

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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.