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Finding the Fourth Proportional to 324,500.40, 447,805.80 and 181,262.40

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Solution

The fourth proportional to 324,500.40, 447,805.80 and 181,262.40 is: 250,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,500.40 : 447,805.80 = 181,262.40 : x
  2. Step 2: Convert to fraction form
    324,500.40/447,805.80 = 181,262.40/x
  3. Step 3: Cross multiply
    324,500.40x = 447,805.80 × 181,262.40
  4. Step 4: Simplify right side
    324,500.40x = 81,170,354,041.92
  5. Step 5: Solve for x
    x = 81,170,354,041.92/324,500.40
  6. Step 6: Final answer
    x = 250,139.46

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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.