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Finding the Fourth Proportional to 1,966,829.03, 2,947,941.56 and 751,609.92

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Solution

The fourth proportional to 1,966,829.03, 2,947,941.56 and 751,609.92 is: 1,126,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,829.03 : 2,947,941.56 = 751,609.92 : x
  2. Step 2: Convert to fraction form
    1,966,829.03/2,947,941.56 = 751,609.92/x
  3. Step 3: Cross multiply
    1,966,829.03x = 2,947,941.56 × 751,609.92
  4. Step 4: Simplify right side
    1,966,829.03x = 2,215,702,116,318.23
  5. Step 5: Solve for x
    x = 2,215,702,116,318.23/1,966,829.03
  6. Step 6: Final answer
    x = 1,126,535.19

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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.