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Finding the Fourth Proportional to 324,054.99, 447,220.98 and 178,889.22

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Solution

The fourth proportional to 324,054.99, 447,220.98 and 178,889.22 is: 246,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,054.99 : 447,220.98 = 178,889.22 : x
  2. Step 2: Convert to fraction form
    324,054.99/447,220.98 = 178,889.22/x
  3. Step 3: Cross multiply
    324,054.99x = 447,220.98 × 178,889.22
  4. Step 4: Simplify right side
    324,054.99x = 80,003,012,279.84
  5. Step 5: Solve for x
    x = 80,003,012,279.84/324,054.99
  6. Step 6: Final answer
    x = 246,880.98

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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.