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Finding the Fourth Proportional to 324,453.84, 447,741.60 and 181,215.96

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Solution

The fourth proportional to 324,453.84, 447,741.60 and 181,215.96 is: 250,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,453.84 : 447,741.60 = 181,215.96 : x
  2. Step 2: Convert to fraction form
    324,453.84/447,741.60 = 181,215.96/x
  3. Step 3: Cross multiply
    324,453.84x = 447,741.60 × 181,215.96
  4. Step 4: Simplify right side
    324,453.84x = 81,137,923,875.94
  5. Step 5: Solve for x
    x = 81,137,923,875.94/324,453.84
  6. Step 6: Final answer
    x = 250,075.40

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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.