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Finding the Fourth Proportional to 436,322.49, 654,321.73 and 151,940.04

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Solution

The fourth proportional to 436,322.49, 654,321.73 and 151,940.04 is: 227,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,322.49 : 654,321.73 = 151,940.04 : x
  2. Step 2: Convert to fraction form
    436,322.49/654,321.73 = 151,940.04/x
  3. Step 3: Cross multiply
    436,322.49x = 654,321.73 × 151,940.04
  4. Step 4: Simplify right side
    436,322.49x = 99,417,669,829.07
  5. Step 5: Solve for x
    x = 99,417,669,829.07/436,322.49
  6. Step 6: Final answer
    x = 227,853.65

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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.