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Finding the Fourth Proportional to 5,344,486.40, 8,022,950.40 and 3,216,972.80

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Solution

The fourth proportional to 5,344,486.40, 8,022,950.40 and 3,216,972.80 is: 4,829,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344,486.40 : 8,022,950.40 = 3,216,972.80 : x
  2. Step 2: Convert to fraction form
    5,344,486.40/8,022,950.40 = 3,216,972.80/x
  3. Step 3: Cross multiply
    5,344,486.40x = 8,022,950.40 × 3,216,972.80
  4. Step 4: Simplify right side
    5,344,486.40x = 25,809,613,212,549.12
  5. Step 5: Solve for x
    x = 25,809,613,212,549.12/5,344,486.40
  6. Step 6: Final answer
    x = 4,829,203.65

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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.