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Finding the Fourth Proportional to 362,801.60, 544,202.40 and 262,491.20

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Solution

The fourth proportional to 362,801.60, 544,202.40 and 262,491.20 is: 393,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,801.60 : 544,202.40 = 262,491.20 : x
  2. Step 2: Convert to fraction form
    362,801.60/544,202.40 = 262,491.20/x
  3. Step 3: Cross multiply
    362,801.60x = 544,202.40 × 262,491.20
  4. Step 4: Simplify right side
    362,801.60x = 142,848,341,018.88
  5. Step 5: Solve for x
    x = 142,848,341,018.88/362,801.60
  6. Step 6: Final answer
    x = 393,736.80

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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.