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Finding the Fourth Proportional to 673,546.56, 929,495.52 and 371,740.32

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Solution

The fourth proportional to 673,546.56, 929,495.52 and 371,740.32 is: 513,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,546.56 : 929,495.52 = 371,740.32 : x
  2. Step 2: Convert to fraction form
    673,546.56/929,495.52 = 371,740.32/x
  3. Step 3: Cross multiply
    673,546.56x = 929,495.52 × 371,740.32
  4. Step 4: Simplify right side
    673,546.56x = 345,530,962,043.37
  5. Step 5: Solve for x
    x = 345,530,962,043.37/673,546.56
  6. Step 6: Final answer
    x = 513,002.34

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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.