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Finding the Fourth Proportional to 636,209.97, 953,025.96 and 294,167.31

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Solution

The fourth proportional to 636,209.97, 953,025.96 and 294,167.31 is: 440,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,209.97 : 953,025.96 = 294,167.31 : x
  2. Step 2: Convert to fraction form
    636,209.97/953,025.96 = 294,167.31/x
  3. Step 3: Cross multiply
    636,209.97x = 953,025.96 × 294,167.31
  4. Step 4: Simplify right side
    636,209.97x = 280,349,083,013.37
  5. Step 5: Solve for x
    x = 280,349,083,013.37/636,209.97
  6. Step 6: Final answer
    x = 440,654.97

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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.