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Finding the Fourth Proportional to 636,814.56, 955,187.28 and 193,548

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Solution

The fourth proportional to 636,814.56, 955,187.28 and 193,548 is: 290,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,814.56 : 955,187.28 = 193,548 : x
  2. Step 2: Convert to fraction form
    636,814.56/955,187.28 = 193,548/x
  3. Step 3: Cross multiply
    636,814.56x = 955,187.28 × 193,548
  4. Step 4: Simplify right side
    636,814.56x = 184,874,587,669.44
  5. Step 5: Solve for x
    x = 184,874,587,669.44/636,814.56
  6. Step 6: Final answer
    x = 290,311.50

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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.