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Finding the Fourth Proportional to 328,713.42, 453,631.60 and 181,537.82

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Solution

The fourth proportional to 328,713.42, 453,631.60 and 181,537.82 is: 250,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,713.42 : 453,631.60 = 181,537.82 : x
  2. Step 2: Convert to fraction form
    328,713.42/453,631.60 = 181,537.82/x
  3. Step 3: Cross multiply
    328,713.42x = 453,631.60 × 181,537.82
  4. Step 4: Simplify right side
    328,713.42x = 82,351,293,448.10
  5. Step 5: Solve for x
    x = 82,351,293,448.10/328,713.42
  6. Step 6: Final answer
    x = 250,526.11

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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.