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Finding the Fourth Proportional to 468,728.04, 646,843.14 and 253,867.56

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Solution

The fourth proportional to 468,728.04, 646,843.14 and 253,867.56 is: 350,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,728.04 : 646,843.14 = 253,867.56 : x
  2. Step 2: Convert to fraction form
    468,728.04/646,843.14 = 253,867.56/x
  3. Step 3: Cross multiply
    468,728.04x = 646,843.14 × 253,867.56
  4. Step 4: Simplify right side
    468,728.04x = 164,212,489,654.54
  5. Step 5: Solve for x
    x = 164,212,489,654.54/468,728.04
  6. Step 6: Final answer
    x = 350,336.39

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1.5x scale

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.