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Finding the Fourth Proportional to 483,602.40, 725,403.60 and 454,077.90

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Solution

The fourth proportional to 483,602.40, 725,403.60 and 454,077.90 is: 681,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,602.40 : 725,403.60 = 454,077.90 : x
  2. Step 2: Convert to fraction form
    483,602.40/725,403.60 = 454,077.90/x
  3. Step 3: Cross multiply
    483,602.40x = 725,403.60 × 454,077.90
  4. Step 4: Simplify right side
    483,602.40x = 329,389,743,340.44
  5. Step 5: Solve for x
    x = 329,389,743,340.44/483,602.40
  6. Step 6: Final answer
    x = 681,116.85

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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.