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Finding the Fourth Proportional to 891,658, 1,337,564.76 and 226,810

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Solution

The fourth proportional to 891,658, 1,337,564.76 and 226,810 is: 340,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,658 : 1,337,564.76 = 226,810 : x
  2. Step 2: Convert to fraction form
    891,658/1,337,564.76 = 226,810/x
  3. Step 3: Cross multiply
    891,658x = 1,337,564.76 × 226,810
  4. Step 4: Simplify right side
    891,658x = 303,373,063,215.60
  5. Step 5: Solve for x
    x = 303,373,063,215.60/891,658
  6. Step 6: Final answer
    x = 340,234.78

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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.