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Finding the Fourth Proportional to 635,979.90, 953,970.39 and 236,568.90

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Solution

The fourth proportional to 635,979.90, 953,970.39 and 236,568.90 is: 354,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,979.90 : 953,970.39 = 236,568.90 : x
  2. Step 2: Convert to fraction form
    635,979.90/953,970.39 = 236,568.90/x
  3. Step 3: Cross multiply
    635,979.90x = 953,970.39 × 236,568.90
  4. Step 4: Simplify right side
    635,979.90x = 225,679,725,794.87
  5. Step 5: Solve for x
    x = 225,679,725,794.87/635,979.90
  6. Step 6: Final answer
    x = 354,853.55

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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.