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Finding the Fourth Proportional to 324,016.36, 486,002.94 and 155,657.32

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Solution

The fourth proportional to 324,016.36, 486,002.94 and 155,657.32 is: 233,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,016.36 : 486,002.94 = 155,657.32 : x
  2. Step 2: Convert to fraction form
    324,016.36/486,002.94 = 155,657.32/x
  3. Step 3: Cross multiply
    324,016.36x = 486,002.94 × 155,657.32
  4. Step 4: Simplify right side
    324,016.36x = 75,649,915,152.52
  5. Step 5: Solve for x
    x = 75,649,915,152.52/324,016.36
  6. Step 6: Final answer
    x = 233,475.60

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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.