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Finding the Fourth Proportional to 279,227.89, 415,683.70 and 277,567.15

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Solution

The fourth proportional to 279,227.89, 415,683.70 and 277,567.15 is: 413,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,227.89 : 415,683.70 = 277,567.15 : x
  2. Step 2: Convert to fraction form
    279,227.89/415,683.70 = 277,567.15/x
  3. Step 3: Cross multiply
    279,227.89x = 415,683.70 × 277,567.15
  4. Step 4: Simplify right side
    279,227.89x = 115,380,139,910.46
  5. Step 5: Solve for x
    x = 115,380,139,910.46/279,227.89
  6. Step 6: Final answer
    x = 413,211.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.