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Finding the Fourth Proportional to 571,625.00, 788,152.88 and 493,961.90

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Solution

The fourth proportional to 571,625.00, 788,152.88 and 493,961.90 is: 681,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,625.00 : 788,152.88 = 493,961.90 : x
  2. Step 2: Convert to fraction form
    571,625.00/788,152.88 = 493,961.90/x
  3. Step 3: Cross multiply
    571,625.00x = 788,152.88 × 493,961.90
  4. Step 4: Simplify right side
    571,625.00x = 389,317,491,389.41
  5. Step 5: Solve for x
    x = 389,317,491,389.41/571,625.00
  6. Step 6: Final answer
    x = 681,071.49

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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.