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Finding the Fourth Proportional to 451,517.22, 677,275.14 and 249,103.53

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Solution

The fourth proportional to 451,517.22, 677,275.14 and 249,103.53 is: 373,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,517.22 : 677,275.14 = 249,103.53 : x
  2. Step 2: Convert to fraction form
    451,517.22/677,275.14 = 249,103.53/x
  3. Step 3: Cross multiply
    451,517.22x = 677,275.14 × 249,103.53
  4. Step 4: Simplify right side
    451,517.22x = 168,711,628,155.24
  5. Step 5: Solve for x
    x = 168,711,628,155.24/451,517.22
  6. Step 6: Final answer
    x = 373,654.91

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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.