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Finding the Fourth Proportional to 329,859.56, 494,764.44 and 105,210.92

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Solution

The fourth proportional to 329,859.56, 494,764.44 and 105,210.92 is: 157,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,859.56 : 494,764.44 = 105,210.92 : x
  2. Step 2: Convert to fraction form
    329,859.56/494,764.44 = 105,210.92/x
  3. Step 3: Cross multiply
    329,859.56x = 494,764.44 × 105,210.92
  4. Step 4: Simplify right side
    329,859.56x = 52,054,621,915.68
  5. Step 5: Solve for x
    x = 52,054,621,915.68/329,859.56
  6. Step 6: Final answer
    x = 157,808.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.