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Finding the Fourth Proportional to 2,935,307.20, 4,115,028.80 and 2,935,307.20

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Solution

The fourth proportional to 2,935,307.20, 4,115,028.80 and 2,935,307.20 is: 4,115,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,307.20 : 4,115,028.80 = 2,935,307.20 : x
  2. Step 2: Convert to fraction form
    2,935,307.20/4,115,028.80 = 2,935,307.20/x
  3. Step 3: Cross multiply
    2,935,307.20x = 4,115,028.80 × 2,935,307.20
  4. Step 4: Simplify right side
    2,935,307.20x = 12,078,873,664,847.36
  5. Step 5: Solve for x
    x = 12,078,873,664,847.36/2,935,307.20
  6. Step 6: Final answer
    x = 4,115,028.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.