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Finding the Fourth Proportional to 324,273.38, 447,368.54 and 216,672.98

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Solution

The fourth proportional to 324,273.38, 447,368.54 and 216,672.98 is: 298,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,273.38 : 447,368.54 = 216,672.98 : x
  2. Step 2: Convert to fraction form
    324,273.38/447,368.54 = 216,672.98/x
  3. Step 3: Cross multiply
    324,273.38x = 447,368.54 × 216,672.98
  4. Step 4: Simplify right side
    324,273.38x = 96,932,671,399.84
  5. Step 5: Solve for x
    x = 96,932,671,399.84/324,273.38
  6. Step 6: Final answer
    x = 298,922.70

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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.