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Finding the Fourth Proportional to 324,008.06, 486,004.80 and 146,467.40

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Solution

The fourth proportional to 324,008.06, 486,004.80 and 146,467.40 is: 219,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,008.06 : 486,004.80 = 146,467.40 : x
  2. Step 2: Convert to fraction form
    324,008.06/486,004.80 = 146,467.40/x
  3. Step 3: Cross multiply
    324,008.06x = 486,004.80 × 146,467.40
  4. Step 4: Simplify right side
    324,008.06x = 71,183,859,443.52
  5. Step 5: Solve for x
    x = 71,183,859,443.52/324,008.06
  6. Step 6: Final answer
    x = 219,697.80

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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.