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Finding the Fourth Proportional to 1,832,786.32, 2,749,576.92 and 767,279.92

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Solution

The fourth proportional to 1,832,786.32, 2,749,576.92 and 767,279.92 is: 1,151,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,786.32 : 2,749,576.92 = 767,279.92 : x
  2. Step 2: Convert to fraction form
    1,832,786.32/2,749,576.92 = 767,279.92/x
  3. Step 3: Cross multiply
    1,832,786.32x = 2,749,576.92 × 767,279.92
  4. Step 4: Simplify right side
    1,832,786.32x = 2,109,695,159,211.45
  5. Step 5: Solve for x
    x = 2,109,695,159,211.45/1,832,786.32
  6. Step 6: Final answer
    x = 1,151,086.26

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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.