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Finding the Fourth Proportional to 1,955,976.08, 2,933,714.88 and 757,078.16

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Solution

The fourth proportional to 1,955,976.08, 2,933,714.88 and 757,078.16 is: 1,135,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,976.08 : 2,933,714.88 = 757,078.16 : x
  2. Step 2: Convert to fraction form
    1,955,976.08/2,933,714.88 = 757,078.16/x
  3. Step 3: Cross multiply
    1,955,976.08x = 2,933,714.88 × 757,078.16
  4. Step 4: Simplify right side
    1,955,976.08x = 2,221,051,463,315.02
  5. Step 5: Solve for x
    x = 2,221,051,463,315.02/1,955,976.08
  6. Step 6: Final answer
    x = 1,135,520.77

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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.