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Finding the Fourth Proportional to 362,989.70, 544,047.15 and 185,405.30

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Solution

The fourth proportional to 362,989.70, 544,047.15 and 185,405.30 is: 277,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,989.70 : 544,047.15 = 185,405.30 : x
  2. Step 2: Convert to fraction form
    362,989.70/544,047.15 = 185,405.30/x
  3. Step 3: Cross multiply
    362,989.70x = 544,047.15 × 185,405.30
  4. Step 4: Simplify right side
    362,989.70x = 100,869,225,059.90
  5. Step 5: Solve for x
    x = 100,869,225,059.90/362,989.70
  6. Step 6: Final answer
    x = 277,884.54

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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.