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Finding the Fourth Proportional to 329,703.42, 494,549.73 and 105,060.84

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Solution

The fourth proportional to 329,703.42, 494,549.73 and 105,060.84 is: 157,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,703.42 : 494,549.73 = 105,060.84 : x
  2. Step 2: Convert to fraction form
    329,703.42/494,549.73 = 105,060.84/x
  3. Step 3: Cross multiply
    329,703.42x = 494,549.73 × 105,060.84
  4. Step 4: Simplify right side
    329,703.42x = 51,957,810,055.57
  5. Step 5: Solve for x
    x = 51,957,810,055.57/329,703.42
  6. Step 6: Final answer
    x = 157,589.54

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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.