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Finding the Fourth Proportional to 362,615.40, 544,038.30 and 162,858.60

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Solution

The fourth proportional to 362,615.40, 544,038.30 and 162,858.60 is: 244,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,615.40 : 544,038.30 = 162,858.60 : x
  2. Step 2: Convert to fraction form
    362,615.40/544,038.30 = 162,858.60/x
  3. Step 3: Cross multiply
    362,615.40x = 544,038.30 × 162,858.60
  4. Step 4: Simplify right side
    362,615.40x = 88,601,315,884.38
  5. Step 5: Solve for x
    x = 88,601,315,884.38/362,615.40
  6. Step 6: Final answer
    x = 244,339.64

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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.