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Finding the Fourth Proportional to 1,964,713.60, 2,947,761.60 and 966,774.40

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Solution

The fourth proportional to 1,964,713.60, 2,947,761.60 and 966,774.40 is: 1,450,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,713.60 : 2,947,761.60 = 966,774.40 : x
  2. Step 2: Convert to fraction form
    1,964,713.60/2,947,761.60 = 966,774.40/x
  3. Step 3: Cross multiply
    1,964,713.60x = 2,947,761.60 × 966,774.40
  4. Step 4: Simplify right side
    1,964,713.60x = 2,849,820,452,183.04
  5. Step 5: Solve for x
    x = 2,849,820,452,183.04/1,964,713.60
  6. Step 6: Final answer
    x = 1,450,501.72

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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.