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Finding the Fourth Proportional to 2,945,133.80, 4,411,479.90 and 2,945,133.80

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Solution

The fourth proportional to 2,945,133.80, 4,411,479.90 and 2,945,133.80 is: 4,411,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,133.80 : 4,411,479.90 = 2,945,133.80 : x
  2. Step 2: Convert to fraction form
    2,945,133.80/4,411,479.90 = 2,945,133.80/x
  3. Step 3: Cross multiply
    2,945,133.80x = 4,411,479.90 × 2,945,133.80
  4. Step 4: Simplify right side
    2,945,133.80x = 12,992,398,561,510.62
  5. Step 5: Solve for x
    x = 12,992,398,561,510.62/2,945,133.80
  6. Step 6: Final answer
    x = 4,411,479.90

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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.