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Finding the Fourth Proportional to 1,888,467.52, 2,832,982.51 and 673,949.87

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Solution

The fourth proportional to 1,888,467.52, 2,832,982.51 and 673,949.87 is: 1,011,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,467.52 : 2,832,982.51 = 673,949.87 : x
  2. Step 2: Convert to fraction form
    1,888,467.52/2,832,982.51 = 673,949.87/x
  3. Step 3: Cross multiply
    1,888,467.52x = 2,832,982.51 × 673,949.87
  4. Step 4: Simplify right side
    1,888,467.52x = 1,909,288,205,159.23
  5. Step 5: Solve for x
    x = 1,909,288,205,159.23/1,888,467.52
  6. Step 6: Final answer
    x = 1,011,025.18

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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.