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Finding the Fourth Proportional to 293,658.72, 440,520.10 and 93,932.16

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Solution

The fourth proportional to 293,658.72, 440,520.10 and 93,932.16 is: 140,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,658.72 : 440,520.10 = 93,932.16 : x
  2. Step 2: Convert to fraction form
    293,658.72/440,520.10 = 93,932.16/x
  3. Step 3: Cross multiply
    293,658.72x = 440,520.10 × 93,932.16
  4. Step 4: Simplify right side
    293,658.72x = 41,379,004,516.42
  5. Step 5: Solve for x
    x = 41,379,004,516.42/293,658.72
  6. Step 6: Final answer
    x = 140,908.48

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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.