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Finding the Fourth Proportional to 284,353.54, 392,361.32 and 168,050.82

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Solution

The fourth proportional to 284,353.54, 392,361.32 and 168,050.82 is: 231,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,353.54 : 392,361.32 = 168,050.82 : x
  2. Step 2: Convert to fraction form
    284,353.54/392,361.32 = 168,050.82/x
  3. Step 3: Cross multiply
    284,353.54x = 392,361.32 × 168,050.82
  4. Step 4: Simplify right side
    284,353.54x = 65,936,641,562.28
  5. Step 5: Solve for x
    x = 65,936,641,562.28/284,353.54
  6. Step 6: Final answer
    x = 231,882.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.