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Finding the Fourth Proportional to 439,017, 605,843.64 and 237,813

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Solution

The fourth proportional to 439,017, 605,843.64 and 237,813 is: 328,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,017 : 605,843.64 = 237,813 : x
  2. Step 2: Convert to fraction form
    439,017/605,843.64 = 237,813/x
  3. Step 3: Cross multiply
    439,017x = 605,843.64 × 237,813
  4. Step 4: Simplify right side
    439,017x = 144,077,493,559.32
  5. Step 5: Solve for x
    x = 144,077,493,559.32/439,017
  6. Step 6: Final answer
    x = 328,182.04

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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.