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Finding the Fourth Proportional to 301,191.78, 415,613.85 and 180,329.93

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Solution

The fourth proportional to 301,191.78, 415,613.85 and 180,329.93 is: 248,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,191.78 : 415,613.85 = 180,329.93 : x
  2. Step 2: Convert to fraction form
    301,191.78/415,613.85 = 180,329.93/x
  3. Step 3: Cross multiply
    301,191.78x = 415,613.85 × 180,329.93
  4. Step 4: Simplify right side
    301,191.78x = 74,947,614,399.46
  5. Step 5: Solve for x
    x = 74,947,614,399.46/301,191.78
  6. Step 6: Final answer
    x = 248,836.85

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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.