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Finding the Fourth Proportional to 3,971,680.60, 5,954,604.90 and 1,574,339.80

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Solution

The fourth proportional to 3,971,680.60, 5,954,604.90 and 1,574,339.80 is: 2,360,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,680.60 : 5,954,604.90 = 1,574,339.80 : x
  2. Step 2: Convert to fraction form
    3,971,680.60/5,954,604.90 = 1,574,339.80/x
  3. Step 3: Cross multiply
    3,971,680.60x = 5,954,604.90 × 1,574,339.80
  4. Step 4: Simplify right side
    3,971,680.60x = 9,374,571,487,345.02
  5. Step 5: Solve for x
    x = 9,374,571,487,345.02/3,971,680.60
  6. Step 6: Final answer
    x = 2,360,353.82

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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.