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Finding the Fourth Proportional to 328,396.32, 453,187.53 and 185,156.01

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Solution

The fourth proportional to 328,396.32, 453,187.53 and 185,156.01 is: 255,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,396.32 : 453,187.53 = 185,156.01 : x
  2. Step 2: Convert to fraction form
    328,396.32/453,187.53 = 185,156.01/x
  3. Step 3: Cross multiply
    328,396.32x = 453,187.53 × 185,156.01
  4. Step 4: Simplify right side
    328,396.32x = 83,910,394,836.56
  5. Step 5: Solve for x
    x = 83,910,394,836.56/328,396.32
  6. Step 6: Final answer
    x = 255,515.64

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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.