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Finding the Fourth Proportional to 377,512.44, 520,967.25 and 207,746.56

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Solution

The fourth proportional to 377,512.44, 520,967.25 and 207,746.56 is: 286,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,512.44 : 520,967.25 = 207,746.56 : x
  2. Step 2: Convert to fraction form
    377,512.44/520,967.25 = 207,746.56/x
  3. Step 3: Cross multiply
    377,512.44x = 520,967.25 × 207,746.56
  4. Step 4: Simplify right side
    377,512.44x = 108,229,153,021.43
  5. Step 5: Solve for x
    x = 108,229,153,021.43/377,512.44
  6. Step 6: Final answer
    x = 286,690.30

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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.