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Finding the Fourth Proportional to 425,915.10, 587,826.49 and 273,125.82

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Solution

The fourth proportional to 425,915.10, 587,826.49 and 273,125.82 is: 376,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,915.10 : 587,826.49 = 273,125.82 : x
  2. Step 2: Convert to fraction form
    425,915.10/587,826.49 = 273,125.82/x
  3. Step 3: Cross multiply
    425,915.10x = 587,826.49 × 273,125.82
  4. Step 4: Simplify right side
    425,915.10x = 160,550,587,794.21
  5. Step 5: Solve for x
    x = 160,550,587,794.21/425,915.10
  6. Step 6: Final answer
    x = 376,954.44

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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.