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Finding the Fourth Proportional to 1,080,788.48, 1,621,358.88 and 332,834.48

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Solution

The fourth proportional to 1,080,788.48, 1,621,358.88 and 332,834.48 is: 499,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,788.48 : 1,621,358.88 = 332,834.48 : x
  2. Step 2: Convert to fraction form
    1,080,788.48/1,621,358.88 = 332,834.48/x
  3. Step 3: Cross multiply
    1,080,788.48x = 1,621,358.88 × 332,834.48
  4. Step 4: Simplify right side
    1,080,788.48x = 539,644,139,718.18
  5. Step 5: Solve for x
    x = 539,644,139,718.18/1,080,788.48
  6. Step 6: Final answer
    x = 499,305.97

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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.