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Finding the Fourth Proportional to 324,595.09, 447,938.79 and 179,410.76

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Solution

The fourth proportional to 324,595.09, 447,938.79 and 179,410.76 is: 247,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,595.09 : 447,938.79 = 179,410.76 : x
  2. Step 2: Convert to fraction form
    324,595.09/447,938.79 = 179,410.76/x
  3. Step 3: Cross multiply
    324,595.09x = 447,938.79 × 179,410.76
  4. Step 4: Simplify right side
    324,595.09x = 80,365,037,514.67
  5. Step 5: Solve for x
    x = 80,365,037,514.67/324,595.09
  6. Step 6: Final answer
    x = 247,585.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.