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Finding the Fourth Proportional to 291,541.69, 402,334.19 and 162,493.44

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Solution

The fourth proportional to 291,541.69, 402,334.19 and 162,493.44 is: 224,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,541.69 : 402,334.19 = 162,493.44 : x
  2. Step 2: Convert to fraction form
    291,541.69/402,334.19 = 162,493.44/x
  3. Step 3: Cross multiply
    291,541.69x = 402,334.19 × 162,493.44
  4. Step 4: Simplify right side
    291,541.69x = 65,376,664,850.84
  5. Step 5: Solve for x
    x = 65,376,664,850.84/291,541.69
  6. Step 6: Final answer
    x = 224,244.65

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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.