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Finding the Fourth Proportional to 324,443.96, 447,688.43 and 181,185.74

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Solution

The fourth proportional to 324,443.96, 447,688.43 and 181,185.74 is: 250,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,443.96 : 447,688.43 = 181,185.74 : x
  2. Step 2: Convert to fraction form
    324,443.96/447,688.43 = 181,185.74/x
  3. Step 3: Cross multiply
    324,443.96x = 447,688.43 × 181,185.74
  4. Step 4: Simplify right side
    324,443.96x = 81,114,759,478.99
  5. Step 5: Solve for x
    x = 81,114,759,478.99/324,443.96
  6. Step 6: Final answer
    x = 250,011.62

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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.