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Finding the Fourth Proportional to 352,908, 487,013.04 and 193,932

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Solution

The fourth proportional to 352,908, 487,013.04 and 193,932 is: 267,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,908 : 487,013.04 = 193,932 : x
  2. Step 2: Convert to fraction form
    352,908/487,013.04 = 193,932/x
  3. Step 3: Cross multiply
    352,908x = 487,013.04 × 193,932
  4. Step 4: Simplify right side
    352,908x = 94,447,412,873.28
  5. Step 5: Solve for x
    x = 94,447,412,873.28/352,908
  6. Step 6: Final answer
    x = 267,626.16

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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.