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Finding the Fourth Proportional to 431,168.84, 646,595.58 and 164,797.64

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Solution

The fourth proportional to 431,168.84, 646,595.58 and 164,797.64 is: 247,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,168.84 : 646,595.58 = 164,797.64 : x
  2. Step 2: Convert to fraction form
    431,168.84/646,595.58 = 164,797.64/x
  3. Step 3: Cross multiply
    431,168.84x = 646,595.58 × 164,797.64
  4. Step 4: Simplify right side
    431,168.84x = 106,557,425,618.43
  5. Step 5: Solve for x
    x = 106,557,425,618.43/431,168.84
  6. Step 6: Final answer
    x = 247,136.19

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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.