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Finding the Fourth Proportional to 636,326.94, 954,654.45 and 187,062.48

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Solution

The fourth proportional to 636,326.94, 954,654.45 and 187,062.48 is: 280,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,326.94 : 954,654.45 = 187,062.48 : x
  2. Step 2: Convert to fraction form
    636,326.94/954,654.45 = 187,062.48/x
  3. Step 3: Cross multiply
    636,326.94x = 954,654.45 × 187,062.48
  4. Step 4: Simplify right side
    636,326.94x = 178,580,028,960.04
  5. Step 5: Solve for x
    x = 178,580,028,960.04/636,326.94
  6. Step 6: Final answer
    x = 280,641.94

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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.