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Finding the Fourth Proportional to 554,179.64, 831,269.64 and 133,455.50

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Solution

The fourth proportional to 554,179.64, 831,269.64 and 133,455.50 is: 200,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,179.64 : 831,269.64 = 133,455.50 : x
  2. Step 2: Convert to fraction form
    554,179.64/831,269.64 = 133,455.50/x
  3. Step 3: Cross multiply
    554,179.64x = 831,269.64 × 133,455.50
  4. Step 4: Simplify right side
    554,179.64x = 110,937,505,441.02
  5. Step 5: Solve for x
    x = 110,937,505,441.02/554,179.64
  6. Step 6: Final answer
    x = 200,183.29

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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.