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Finding the Fourth Proportional to 635,178.40, 952,042.83 and 255,856.39

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Solution

The fourth proportional to 635,178.40, 952,042.83 and 255,856.39 is: 383,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,178.40 : 952,042.83 = 255,856.39 : x
  2. Step 2: Convert to fraction form
    635,178.40/952,042.83 = 255,856.39/x
  3. Step 3: Cross multiply
    635,178.40x = 952,042.83 × 255,856.39
  4. Step 4: Simplify right side
    635,178.40x = 243,586,241,609.18
  5. Step 5: Solve for x
    x = 243,586,241,609.18/635,178.40
  6. Step 6: Final answer
    x = 383,492.64

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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.