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Finding the Fourth Proportional to 1,944,357.49, 2,916,676.38 and 746,279.82

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Solution

The fourth proportional to 1,944,357.49, 2,916,676.38 and 746,279.82 is: 1,119,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,357.49 : 2,916,676.38 = 746,279.82 : x
  2. Step 2: Convert to fraction form
    1,944,357.49/2,916,676.38 = 746,279.82/x
  3. Step 3: Cross multiply
    1,944,357.49x = 2,916,676.38 × 746,279.82
  4. Step 4: Simplify right side
    1,944,357.49x = 2,176,656,723,864.65
  5. Step 5: Solve for x
    x = 2,176,656,723,864.65/1,944,357.49
  6. Step 6: Final answer
    x = 1,119,473.52

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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.