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Finding the Fourth Proportional to 2,845,548.80, 4,260,028.80 and 2,762,604.80

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Solution

The fourth proportional to 2,845,548.80, 4,260,028.80 and 2,762,604.80 is: 4,135,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,548.80 : 4,260,028.80 = 2,762,604.80 : x
  2. Step 2: Convert to fraction form
    2,845,548.80/4,260,028.80 = 2,762,604.80/x
  3. Step 3: Cross multiply
    2,845,548.80x = 4,260,028.80 × 2,762,604.80
  4. Step 4: Simplify right side
    2,845,548.80x = 11,768,776,011,018.24
  5. Step 5: Solve for x
    x = 11,768,776,011,018.24/2,845,548.80
  6. Step 6: Final answer
    x = 4,135,854.57

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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.