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Finding the Fourth Proportional to 804,179.78, 1,109,780.84 and 436,656.71

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Solution

The fourth proportional to 804,179.78, 1,109,780.84 and 436,656.71 is: 602,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,179.78 : 1,109,780.84 = 436,656.71 : x
  2. Step 2: Convert to fraction form
    804,179.78/1,109,780.84 = 436,656.71/x
  3. Step 3: Cross multiply
    804,179.78x = 1,109,780.84 × 436,656.71
  4. Step 4: Simplify right side
    804,179.78x = 484,593,250,415.44
  5. Step 5: Solve for x
    x = 484,593,250,415.44/804,179.78
  6. Step 6: Final answer
    x = 602,593.18

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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.