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Finding the Fourth Proportional to 369,043.60, 553,662.60 and 132,361.60

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Solution

The fourth proportional to 369,043.60, 553,662.60 and 132,361.60 is: 198,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,043.60 : 553,662.60 = 132,361.60 : x
  2. Step 2: Convert to fraction form
    369,043.60/553,662.60 = 132,361.60/x
  3. Step 3: Cross multiply
    369,043.60x = 553,662.60 × 132,361.60
  4. Step 4: Simplify right side
    369,043.60x = 73,283,667,596.16
  5. Step 5: Solve for x
    x = 73,283,667,596.16/369,043.60
  6. Step 6: Final answer
    x = 198,577.26

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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.