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Finding the Fourth Proportional to 866,552.80, 1,300,468.02 and 411,145.96

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Solution

The fourth proportional to 866,552.80, 1,300,468.02 and 411,145.96 is: 617,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,552.80 : 1,300,468.02 = 411,145.96 : x
  2. Step 2: Convert to fraction form
    866,552.80/1,300,468.02 = 411,145.96/x
  3. Step 3: Cross multiply
    866,552.80x = 1,300,468.02 × 411,145.96
  4. Step 4: Simplify right side
    866,552.80x = 534,682,172,532.20
  5. Step 5: Solve for x
    x = 534,682,172,532.20/866,552.80
  6. Step 6: Final answer
    x = 617,022.04

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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.