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Finding the Fourth Proportional to 672,251.89, 927,650.52 and 385,765.84

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Solution

The fourth proportional to 672,251.89, 927,650.52 and 385,765.84 is: 532,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,251.89 : 927,650.52 = 385,765.84 : x
  2. Step 2: Convert to fraction form
    672,251.89/927,650.52 = 385,765.84/x
  3. Step 3: Cross multiply
    672,251.89x = 927,650.52 × 385,765.84
  4. Step 4: Simplify right side
    672,251.89x = 357,855,882,074.24
  5. Step 5: Solve for x
    x = 357,855,882,074.24/672,251.89
  6. Step 6: Final answer
    x = 532,324.10

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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.