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Finding the Fourth Proportional to 2,964,669.60, 4,447,004.40 and 970,327.20

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Solution

The fourth proportional to 2,964,669.60, 4,447,004.40 and 970,327.20 is: 1,455,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964,669.60 : 4,447,004.40 = 970,327.20 : x
  2. Step 2: Convert to fraction form
    2,964,669.60/4,447,004.40 = 970,327.20/x
  3. Step 3: Cross multiply
    2,964,669.60x = 4,447,004.40 × 970,327.20
  4. Step 4: Simplify right side
    2,964,669.60x = 4,315,049,327,839.68
  5. Step 5: Solve for x
    x = 4,315,049,327,839.68/2,964,669.60
  6. Step 6: Final answer
    x = 1,455,490.80

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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.