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Finding the Fourth Proportional to 324,000.80, 486,001.20 and 184,032.80

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Solution

The fourth proportional to 324,000.80, 486,001.20 and 184,032.80 is: 276,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,000.80 : 486,001.20 = 184,032.80 : x
  2. Step 2: Convert to fraction form
    324,000.80/486,001.20 = 184,032.80/x
  3. Step 3: Cross multiply
    324,000.80x = 486,001.20 × 184,032.80
  4. Step 4: Simplify right side
    324,000.80x = 89,440,161,639.36
  5. Step 5: Solve for x
    x = 89,440,161,639.36/324,000.80
  6. Step 6: Final answer
    x = 276,049.20

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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.