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Finding the Fourth Proportional to 591,425.45, 816,166.31 and 336,776.63

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Solution

The fourth proportional to 591,425.45, 816,166.31 and 336,776.63 is: 464,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,425.45 : 816,166.31 = 336,776.63 : x
  2. Step 2: Convert to fraction form
    591,425.45/816,166.31 = 336,776.63/x
  3. Step 3: Cross multiply
    591,425.45x = 816,166.31 × 336,776.63
  4. Step 4: Simplify right side
    591,425.45x = 274,865,739,401.34
  5. Step 5: Solve for x
    x = 274,865,739,401.34/591,425.45
  6. Step 6: Final answer
    x = 464,751.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.