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Finding the Fourth Proportional to 632,862.82, 949,950.53 and 423,960.58

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Solution

The fourth proportional to 632,862.82, 949,950.53 and 423,960.58 is: 636,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,862.82 : 949,950.53 = 423,960.58 : x
  2. Step 2: Convert to fraction form
    632,862.82/949,950.53 = 423,960.58/x
  3. Step 3: Cross multiply
    632,862.82x = 949,950.53 × 423,960.58
  4. Step 4: Simplify right side
    632,862.82x = 402,741,570,800.55
  5. Step 5: Solve for x
    x = 402,741,570,800.55/632,862.82
  6. Step 6: Final answer
    x = 636,380.53

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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.