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Finding the Fourth Proportional to 462,069.92, 637,390.38 and 278,180.58

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Solution

The fourth proportional to 462,069.92, 637,390.38 and 278,180.58 is: 383,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,069.92 : 637,390.38 = 278,180.58 : x
  2. Step 2: Convert to fraction form
    462,069.92/637,390.38 = 278,180.58/x
  3. Step 3: Cross multiply
    462,069.92x = 637,390.38 × 278,180.58
  4. Step 4: Simplify right side
    462,069.92x = 177,309,629,028.21
  5. Step 5: Solve for x
    x = 177,309,629,028.21/462,069.92
  6. Step 6: Final answer
    x = 383,729.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.