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Finding the Fourth Proportional to 425,846.91, 587,520.32 and 272,969.38

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Solution

The fourth proportional to 425,846.91, 587,520.32 and 272,969.38 is: 376,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,846.91 : 587,520.32 = 272,969.38 : x
  2. Step 2: Convert to fraction form
    425,846.91/587,520.32 = 272,969.38/x
  3. Step 3: Cross multiply
    425,846.91x = 587,520.32 × 272,969.38
  4. Step 4: Simplify right side
    425,846.91x = 160,375,054,550.20
  5. Step 5: Solve for x
    x = 160,375,054,550.20/425,846.91
  6. Step 6: Final answer
    x = 376,602.61

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1.5x scale

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.