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Finding the Fourth Proportional to 672,314.54, 927,794.07 and 370,508.54

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Solution

The fourth proportional to 672,314.54, 927,794.07 and 370,508.54 is: 511,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,314.54 : 927,794.07 = 370,508.54 : x
  2. Step 2: Convert to fraction form
    672,314.54/927,794.07 = 370,508.54/x
  3. Step 3: Cross multiply
    672,314.54x = 927,794.07 × 370,508.54
  4. Step 4: Simplify right side
    672,314.54x = 343,755,621,657.39
  5. Step 5: Solve for x
    x = 343,755,621,657.39/672,314.54
  6. Step 6: Final answer
    x = 511,301.78

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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.