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Finding the Fourth Proportional to 550,683.89, 826,273.64 and 297,668.15

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Solution

The fourth proportional to 550,683.89, 826,273.64 and 297,668.15 is: 446,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,683.89 : 826,273.64 = 297,668.15 : x
  2. Step 2: Convert to fraction form
    550,683.89/826,273.64 = 297,668.15/x
  3. Step 3: Cross multiply
    550,683.89x = 826,273.64 × 297,668.15
  4. Step 4: Simplify right side
    550,683.89x = 245,955,340,192.86
  5. Step 5: Solve for x
    x = 245,955,340,192.86/550,683.89
  6. Step 6: Final answer
    x = 446,636.17

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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.