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Finding the Fourth Proportional to 318,313.68, 439,272.72 and 175,083.36

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Solution

The fourth proportional to 318,313.68, 439,272.72 and 175,083.36 is: 241,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,313.68 : 439,272.72 = 175,083.36 : x
  2. Step 2: Convert to fraction form
    318,313.68/439,272.72 = 175,083.36/x
  3. Step 3: Cross multiply
    318,313.68x = 439,272.72 × 175,083.36
  4. Step 4: Simplify right side
    318,313.68x = 76,909,343,773.94
  5. Step 5: Solve for x
    x = 76,909,343,773.94/318,313.68
  6. Step 6: Final answer
    x = 241,614.95

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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.