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Finding the Fourth Proportional to 468,743.04, 646,863.84 and 253,882.56

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Solution

The fourth proportional to 468,743.04, 646,863.84 and 253,882.56 is: 350,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,743.04 : 646,863.84 = 253,882.56 : x
  2. Step 2: Convert to fraction form
    468,743.04/646,863.84 = 253,882.56/x
  3. Step 3: Cross multiply
    468,743.04x = 646,863.84 × 253,882.56
  4. Step 4: Simplify right side
    468,743.04x = 164,227,447,670.63
  5. Step 5: Solve for x
    x = 164,227,447,670.63/468,743.04
  6. Step 6: Final answer
    x = 350,357.09

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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.