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Finding the Fourth Proportional to 318,036.67, 438,891.56 and 174,811.39

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Solution

The fourth proportional to 318,036.67, 438,891.56 and 174,811.39 is: 241,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,036.67 : 438,891.56 = 174,811.39 : x
  2. Step 2: Convert to fraction form
    318,036.67/438,891.56 = 174,811.39/x
  3. Step 3: Cross multiply
    318,036.67x = 438,891.56 × 174,811.39
  4. Step 4: Simplify right side
    318,036.67x = 76,723,243,225.84
  5. Step 5: Solve for x
    x = 76,723,243,225.84/318,036.67
  6. Step 6: Final answer
    x = 241,240.24

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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.