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Finding the Fourth Proportional to 647,040.14, 892,918.92 and 375,269.18

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Solution

The fourth proportional to 647,040.14, 892,918.92 and 375,269.18 is: 517,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,040.14 : 892,918.92 = 375,269.18 : x
  2. Step 2: Convert to fraction form
    647,040.14/892,918.92 = 375,269.18/x
  3. Step 3: Cross multiply
    647,040.14x = 892,918.92 × 375,269.18
  4. Step 4: Simplify right side
    647,040.14x = 335,084,950,914.89
  5. Step 5: Solve for x
    x = 335,084,950,914.89/647,040.14
  6. Step 6: Final answer
    x = 517,873.51

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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.