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Finding the Fourth Proportional to 1,197,419.40, 1,796,129.10 and 1,197,419.40

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Solution

The fourth proportional to 1,197,419.40, 1,796,129.10 and 1,197,419.40 is: 1,796,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,419.40 : 1,796,129.10 = 1,197,419.40 : x
  2. Step 2: Convert to fraction form
    1,197,419.40/1,796,129.10 = 1,197,419.40/x
  3. Step 3: Cross multiply
    1,197,419.40x = 1,796,129.10 × 1,197,419.40
  4. Step 4: Simplify right side
    1,197,419.40x = 2,150,719,829,244.54
  5. Step 5: Solve for x
    x = 2,150,719,829,244.54/1,197,419.40
  6. Step 6: Final answer
    x = 1,796,129.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.