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Finding the Fourth Proportional to 1,944,381.17, 2,916,488.68 and 665,103.05

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Solution

The fourth proportional to 1,944,381.17, 2,916,488.68 and 665,103.05 is: 997,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,381.17 : 2,916,488.68 = 665,103.05 : x
  2. Step 2: Convert to fraction form
    1,944,381.17/2,916,488.68 = 665,103.05/x
  3. Step 3: Cross multiply
    1,944,381.17x = 2,916,488.68 × 665,103.05
  4. Step 4: Simplify right side
    1,944,381.17x = 1,939,765,511,050.11
  5. Step 5: Solve for x
    x = 1,939,765,511,050.11/1,944,381.17
  6. Step 6: Final answer
    x = 997,626.15

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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.