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Finding the Fourth Proportional to 7,241,644.60, 10,868,687.70 and 3,204,345.40

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Solution

The fourth proportional to 7,241,644.60, 10,868,687.70 and 3,204,345.40 is: 4,809,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,644.60 : 10,868,687.70 = 3,204,345.40 : x
  2. Step 2: Convert to fraction form
    7,241,644.60/10,868,687.70 = 3,204,345.40/x
  3. Step 3: Cross multiply
    7,241,644.60x = 10,868,687.70 × 3,204,345.40
  4. Step 4: Simplify right side
    7,241,644.60x = 34,827,029,435,531.58
  5. Step 5: Solve for x
    x = 34,827,029,435,531.58/7,241,644.60
  6. Step 6: Final answer
    x = 4,809,270.73

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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.