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Finding the Fourth Proportional to 673,104.90, 928,716.57 and 411,393.36

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Solution

The fourth proportional to 673,104.90, 928,716.57 and 411,393.36 is: 567,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,104.90 : 928,716.57 = 411,393.36 : x
  2. Step 2: Convert to fraction form
    673,104.90/928,716.57 = 411,393.36/x
  3. Step 3: Cross multiply
    673,104.90x = 928,716.57 × 411,393.36
  4. Step 4: Simplify right side
    673,104.90x = 382,067,830,219.98
  5. Step 5: Solve for x
    x = 382,067,830,219.98/673,104.90
  6. Step 6: Final answer
    x = 567,620.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.