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Finding the Fourth Proportional to 292,558.40, 403,709.64 and 171,704.60

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Solution

The fourth proportional to 292,558.40, 403,709.64 and 171,704.60 is: 236,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,558.40 : 403,709.64 = 171,704.60 : x
  2. Step 2: Convert to fraction form
    292,558.40/403,709.64 = 171,704.60/x
  3. Step 3: Cross multiply
    292,558.40x = 403,709.64 × 171,704.60
  4. Step 4: Simplify right side
    292,558.40x = 69,318,802,252.34
  5. Step 5: Solve for x
    x = 69,318,802,252.34/292,558.40
  6. Step 6: Final answer
    x = 236,940.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.