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Finding the Fourth Proportional to 326,027.48, 488,696.00 and 109,680.21

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Solution

The fourth proportional to 326,027.48, 488,696.00 and 109,680.21 is: 164,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,027.48 : 488,696.00 = 109,680.21 : x
  2. Step 2: Convert to fraction form
    326,027.48/488,696.00 = 109,680.21/x
  3. Step 3: Cross multiply
    326,027.48x = 488,696.00 × 109,680.21
  4. Step 4: Simplify right side
    326,027.48x = 53,600,279,357.76
  5. Step 5: Solve for x
    x = 53,600,279,357.76/326,027.48
  6. Step 6: Final answer
    x = 164,404.18

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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.