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Finding the Fourth Proportional to 964,401.39, 1,446,671.34 and 254,421

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Solution

The fourth proportional to 964,401.39, 1,446,671.34 and 254,421 is: 381,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,401.39 : 1,446,671.34 = 254,421 : x
  2. Step 2: Convert to fraction form
    964,401.39/1,446,671.34 = 254,421/x
  3. Step 3: Cross multiply
    964,401.39x = 1,446,671.34 × 254,421
  4. Step 4: Simplify right side
    964,401.39x = 368,063,568,994.14
  5. Step 5: Solve for x
    x = 368,063,568,994.14/964,401.39
  6. Step 6: Final answer
    x = 381,649.77

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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.