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Finding the Fourth Proportional to 1,733,422.32, 2,600,458.92 and 786,859.56

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Solution

The fourth proportional to 1,733,422.32, 2,600,458.92 and 786,859.56 is: 1,180,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,422.32 : 2,600,458.92 = 786,859.56 : x
  2. Step 2: Convert to fraction form
    1,733,422.32/2,600,458.92 = 786,859.56/x
  3. Step 3: Cross multiply
    1,733,422.32x = 2,600,458.92 × 786,859.56
  4. Step 4: Simplify right side
    1,733,422.32x = 2,046,195,961,589.28
  5. Step 5: Solve for x
    x = 2,046,195,961,589.28/1,733,422.32
  6. Step 6: Final answer
    x = 1,180,437.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.