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Finding the Fourth Proportional to 1,198,695.76, 1,798,753 and 441,069.25

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Solution

The fourth proportional to 1,198,695.76, 1,798,753 and 441,069.25 is: 661,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,695.76 : 1,798,753 = 441,069.25 : x
  2. Step 2: Convert to fraction form
    1,198,695.76/1,798,753 = 441,069.25/x
  3. Step 3: Cross multiply
    1,198,695.76x = 1,798,753 × 441,069.25
  4. Step 4: Simplify right side
    1,198,695.76x = 793,374,636,645.25
  5. Step 5: Solve for x
    x = 793,374,636,645.25/1,198,695.76
  6. Step 6: Final answer
    x = 661,864.89

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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.