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Finding the Fourth Proportional to 3,764,610.40, 5,646,915.60 and 2,570,216.80

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Solution

The fourth proportional to 3,764,610.40, 5,646,915.60 and 2,570,216.80 is: 3,855,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764,610.40 : 5,646,915.60 = 2,570,216.80 : x
  2. Step 2: Convert to fraction form
    3,764,610.40/5,646,915.60 = 2,570,216.80/x
  3. Step 3: Cross multiply
    3,764,610.40x = 5,646,915.60 × 2,570,216.80
  4. Step 4: Simplify right side
    3,764,610.40x = 14,513,797,343,302.08
  5. Step 5: Solve for x
    x = 14,513,797,343,302.08/3,764,610.40
  6. Step 6: Final answer
    x = 3,855,325.20

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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.