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Finding the Fourth Proportional to 328,846.32, 493,081.08 and 101,082.63

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Solution

The fourth proportional to 328,846.32, 493,081.08 and 101,082.63 is: 151,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,846.32 : 493,081.08 = 101,082.63 : x
  2. Step 2: Convert to fraction form
    328,846.32/493,081.08 = 101,082.63/x
  3. Step 3: Cross multiply
    328,846.32x = 493,081.08 × 101,082.63
  4. Step 4: Simplify right side
    328,846.32x = 49,841,932,369.64
  5. Step 5: Solve for x
    x = 49,841,932,369.64/328,846.32
  6. Step 6: Final answer
    x = 151,566.03

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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.