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Finding the Fourth Proportional to 294,478.48, 440,845.08 and 181,796.38

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Solution

The fourth proportional to 294,478.48, 440,845.08 and 181,796.38 is: 272,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,478.48 : 440,845.08 = 181,796.38 : x
  2. Step 2: Convert to fraction form
    294,478.48/440,845.08 = 181,796.38/x
  3. Step 3: Cross multiply
    294,478.48x = 440,845.08 × 181,796.38
  4. Step 4: Simplify right side
    294,478.48x = 80,144,039,684.81
  5. Step 5: Solve for x
    x = 80,144,039,684.81/294,478.48
  6. Step 6: Final answer
    x = 272,155.85

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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.