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Finding the Fourth Proportional to 617,495.88, 926,243.82 and 174,263.88

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Solution

The fourth proportional to 617,495.88, 926,243.82 and 174,263.88 is: 261,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,495.88 : 926,243.82 = 174,263.88 : x
  2. Step 2: Convert to fraction form
    617,495.88/926,243.82 = 174,263.88/x
  3. Step 3: Cross multiply
    617,495.88x = 926,243.82 × 174,263.88
  4. Step 4: Simplify right side
    617,495.88x = 161,410,841,899.22
  5. Step 5: Solve for x
    x = 161,410,841,899.22/617,495.88
  6. Step 6: Final answer
    x = 261,395.82

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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.