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Finding the Fourth Proportional to 356,326.12, 534,102.72 and 178,404.04

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Solution

The fourth proportional to 356,326.12, 534,102.72 and 178,404.04 is: 267,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,326.12 : 534,102.72 = 178,404.04 : x
  2. Step 2: Convert to fraction form
    356,326.12/534,102.72 = 178,404.04/x
  3. Step 3: Cross multiply
    356,326.12x = 534,102.72 × 178,404.04
  4. Step 4: Simplify right side
    356,326.12x = 95,286,083,022.99
  5. Step 5: Solve for x
    x = 95,286,083,022.99/356,326.12
  6. Step 6: Final answer
    x = 267,412.57

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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.