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Finding the Fourth Proportional to 2,978,304.40, 4,467,456.60 and 2,482,292.80

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Solution

The fourth proportional to 2,978,304.40, 4,467,456.60 and 2,482,292.80 is: 3,723,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,304.40 : 4,467,456.60 = 2,482,292.80 : x
  2. Step 2: Convert to fraction form
    2,978,304.40/4,467,456.60 = 2,482,292.80/x
  3. Step 3: Cross multiply
    2,978,304.40x = 4,467,456.60 × 2,482,292.80
  4. Step 4: Simplify right side
    2,978,304.40x = 11,089,535,352,492.48
  5. Step 5: Solve for x
    x = 11,089,535,352,492.48/2,978,304.40
  6. Step 6: Final answer
    x = 3,723,439.20

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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.