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Finding the Fourth Proportional to 542,651.58, 748,706.22 and 427,573.53

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Solution

The fourth proportional to 542,651.58, 748,706.22 and 427,573.53 is: 589,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,651.58 : 748,706.22 = 427,573.53 : x
  2. Step 2: Convert to fraction form
    542,651.58/748,706.22 = 427,573.53/x
  3. Step 3: Cross multiply
    542,651.58x = 748,706.22 × 427,573.53
  4. Step 4: Simplify right side
    542,651.58x = 320,126,961,418.36
  5. Step 5: Solve for x
    x = 320,126,961,418.36/542,651.58
  6. Step 6: Final answer
    x = 589,930.95

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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.