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Finding the Fourth Proportional to 362,391.44, 543,411.32 and 151,972.88

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Solution

The fourth proportional to 362,391.44, 543,411.32 and 151,972.88 is: 227,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,391.44 : 543,411.32 = 151,972.88 : x
  2. Step 2: Convert to fraction form
    362,391.44/543,411.32 = 151,972.88/x
  3. Step 3: Cross multiply
    362,391.44x = 543,411.32 × 151,972.88
  4. Step 4: Simplify right side
    362,391.44x = 82,583,783,325.00
  5. Step 5: Solve for x
    x = 82,583,783,325.00/362,391.44
  6. Step 6: Final answer
    x = 227,885.58

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1.5x scale

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.