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Finding the Fourth Proportional to 324,325.16, 486,786.72 and 164,513.24

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Solution

The fourth proportional to 324,325.16, 486,786.72 and 164,513.24 is: 246,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,325.16 : 486,786.72 = 164,513.24 : x
  2. Step 2: Convert to fraction form
    324,325.16/486,786.72 = 164,513.24/x
  3. Step 3: Cross multiply
    324,325.16x = 486,786.72 × 164,513.24
  4. Step 4: Simplify right side
    324,325.16x = 80,082,860,496.17
  5. Step 5: Solve for x
    x = 80,082,860,496.17/324,325.16
  6. Step 6: Final answer
    x = 246,921.52

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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.