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Finding the Fourth Proportional to 327,237.60, 490,856.40 and 169,514.40

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Solution

The fourth proportional to 327,237.60, 490,856.40 and 169,514.40 is: 254,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,237.60 : 490,856.40 = 169,514.40 : x
  2. Step 2: Convert to fraction form
    327,237.60/490,856.40 = 169,514.40/x
  3. Step 3: Cross multiply
    327,237.60x = 490,856.40 × 169,514.40
  4. Step 4: Simplify right side
    327,237.60x = 83,207,228,132.16
  5. Step 5: Solve for x
    x = 83,207,228,132.16/327,237.60
  6. Step 6: Final answer
    x = 254,271.60

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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.