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Finding the Fourth Proportional to 3,333,129.64, 4,998,662.56 and 1,202,944.12

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Solution

The fourth proportional to 3,333,129.64, 4,998,662.56 and 1,202,944.12 is: 1,804,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333,129.64 : 4,998,662.56 = 1,202,944.12 : x
  2. Step 2: Convert to fraction form
    3,333,129.64/4,998,662.56 = 1,202,944.12/x
  3. Step 3: Cross multiply
    3,333,129.64x = 4,998,662.56 × 1,202,944.12
  4. Step 4: Simplify right side
    3,333,129.64x = 6,013,111,734,416.15
  5. Step 5: Solve for x
    x = 6,013,111,734,416.15/3,333,129.64
  6. Step 6: Final answer
    x = 1,804,043.76

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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.