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Finding the Fourth Proportional to 1,899,044.72, 2,848,567.07 and 636,868.70

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Solution

The fourth proportional to 1,899,044.72, 2,848,567.07 and 636,868.70 is: 955,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,044.72 : 2,848,567.07 = 636,868.70 : x
  2. Step 2: Convert to fraction form
    1,899,044.72/2,848,567.07 = 636,868.70/x
  3. Step 3: Cross multiply
    1,899,044.72x = 2,848,567.07 × 636,868.70
  4. Step 4: Simplify right side
    1,899,044.72x = 1,814,163,194,083.05
  5. Step 5: Solve for x
    x = 1,814,163,194,083.05/1,899,044.72
  6. Step 6: Final answer
    x = 955,303.04

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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.