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Finding the Fourth Proportional to 436,326.75, 654,328.13 and 151,944.30

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Solution

The fourth proportional to 436,326.75, 654,328.13 and 151,944.30 is: 227,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,326.75 : 654,328.13 = 151,944.30 : x
  2. Step 2: Convert to fraction form
    436,326.75/654,328.13 = 151,944.30/x
  3. Step 3: Cross multiply
    436,326.75x = 654,328.13 × 151,944.30
  4. Step 4: Simplify right side
    436,326.75x = 99,421,428,923.44
  5. Step 5: Solve for x
    x = 99,421,428,923.44/436,326.75
  6. Step 6: Final answer
    x = 227,860.04

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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.