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Finding the Fourth Proportional to 634,540.12, 949,940.22 and 555,808.12

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Solution

The fourth proportional to 634,540.12, 949,940.22 and 555,808.12 is: 832,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,540.12 : 949,940.22 = 555,808.12 : x
  2. Step 2: Convert to fraction form
    634,540.12/949,940.22 = 555,808.12/x
  3. Step 3: Cross multiply
    634,540.12x = 949,940.22 × 555,808.12
  4. Step 4: Simplify right side
    634,540.12x = 527,984,487,790.59
  5. Step 5: Solve for x
    x = 527,984,487,790.59/634,540.12
  6. Step 6: Final answer
    x = 832,074.24

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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.