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Finding the Fourth Proportional to 324,063.93, 447,141.45 and 186,216.23

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Solution

The fourth proportional to 324,063.93, 447,141.45 and 186,216.23 is: 256,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,063.93 : 447,141.45 = 186,216.23 : x
  2. Step 2: Convert to fraction form
    324,063.93/447,141.45 = 186,216.23/x
  3. Step 3: Cross multiply
    324,063.93x = 447,141.45 × 186,216.23
  4. Step 4: Simplify right side
    324,063.93x = 83,264,991,928.95
  5. Step 5: Solve for x
    x = 83,264,991,928.95/324,063.93
  6. Step 6: Final answer
    x = 256,940.02

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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.