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Finding the Fourth Proportional to 324,122.65, 447,277.53 and 178,925.32

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Solution

The fourth proportional to 324,122.65, 447,277.53 and 178,925.32 is: 246,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,122.65 : 447,277.53 = 178,925.32 : x
  2. Step 2: Convert to fraction form
    324,122.65/447,277.53 = 178,925.32/x
  3. Step 3: Cross multiply
    324,122.65x = 447,277.53 × 178,925.32
  4. Step 4: Simplify right side
    324,122.65x = 80,029,274,275.56
  5. Step 5: Solve for x
    x = 80,029,274,275.56/324,122.65
  6. Step 6: Final answer
    x = 246,910.46

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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.