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Finding the Fourth Proportional to 536,850.90, 804,685.86 and 221,135.58

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Solution

The fourth proportional to 536,850.90, 804,685.86 and 221,135.58 is: 331,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,850.90 : 804,685.86 = 221,135.58 : x
  2. Step 2: Convert to fraction form
    536,850.90/804,685.86 = 221,135.58/x
  3. Step 3: Cross multiply
    536,850.90x = 804,685.86 × 221,135.58
  4. Step 4: Simplify right side
    536,850.90x = 177,944,674,368.90
  5. Step 5: Solve for x
    x = 177,944,674,368.90/536,850.90
  6. Step 6: Final answer
    x = 331,460.14

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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.