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Finding the Fourth Proportional to 362,840.54, 544,310.08 and 126,152.60

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Solution

The fourth proportional to 362,840.54, 544,310.08 and 126,152.60 is: 189,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,840.54 : 544,310.08 = 126,152.60 : x
  2. Step 2: Convert to fraction form
    362,840.54/544,310.08 = 126,152.60/x
  3. Step 3: Cross multiply
    362,840.54x = 544,310.08 × 126,152.60
  4. Step 4: Simplify right side
    362,840.54x = 68,666,131,798.21
  5. Step 5: Solve for x
    x = 68,666,131,798.21/362,840.54
  6. Step 6: Final answer
    x = 189,246.03

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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.