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Finding the Fourth Proportional to 508,696.98, 763,037.67 and 171,974.16

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Solution

The fourth proportional to 508,696.98, 763,037.67 and 171,974.16 is: 257,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,696.98 : 763,037.67 = 171,974.16 : x
  2. Step 2: Convert to fraction form
    508,696.98/763,037.67 = 171,974.16/x
  3. Step 3: Cross multiply
    508,696.98x = 763,037.67 × 171,974.16
  4. Step 4: Simplify right side
    508,696.98x = 131,222,762,346.61
  5. Step 5: Solve for x
    x = 131,222,762,346.61/508,696.98
  6. Step 6: Final answer
    x = 257,958.60

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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.