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Finding the Fourth Proportional to 324,384.68, 486,590.48 and 111,299.10

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Solution

The fourth proportional to 324,384.68, 486,590.48 and 111,299.10 is: 166,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,384.68 : 486,590.48 = 111,299.10 : x
  2. Step 2: Convert to fraction form
    324,384.68/486,590.48 = 111,299.10/x
  3. Step 3: Cross multiply
    324,384.68x = 486,590.48 × 111,299.10
  4. Step 4: Simplify right side
    324,384.68x = 54,157,082,128.16
  5. Step 5: Solve for x
    x = 54,157,082,128.16/324,384.68
  6. Step 6: Final answer
    x = 166,953.27

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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.