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Finding the Fourth Proportional to 362,348.85, 543,354.53 and 134,485.78

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Solution

The fourth proportional to 362,348.85, 543,354.53 and 134,485.78 is: 201,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,348.85 : 543,354.53 = 134,485.78 : x
  2. Step 2: Convert to fraction form
    362,348.85/543,354.53 = 134,485.78/x
  3. Step 3: Cross multiply
    362,348.85x = 543,354.53 × 134,485.78
  4. Step 4: Simplify right side
    362,348.85x = 73,073,457,783.58
  5. Step 5: Solve for x
    x = 73,073,457,783.58/362,348.85
  6. Step 6: Final answer
    x = 201,666.04

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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.