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Finding the Fourth Proportional to 324,581.40, 486,872.10 and 184,613.40

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Solution

The fourth proportional to 324,581.40, 486,872.10 and 184,613.40 is: 276,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,581.40 : 486,872.10 = 184,613.40 : x
  2. Step 2: Convert to fraction form
    324,581.40/486,872.10 = 184,613.40/x
  3. Step 3: Cross multiply
    324,581.40x = 486,872.10 × 184,613.40
  4. Step 4: Simplify right side
    324,581.40x = 89,883,113,746.14
  5. Step 5: Solve for x
    x = 89,883,113,746.14/324,581.40
  6. Step 6: Final answer
    x = 276,920.10

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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.