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Finding the Fourth Proportional to 441,898.60, 663,107.10 and 161,444.20

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Solution

The fourth proportional to 441,898.60, 663,107.10 and 161,444.20 is: 242,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,898.60 : 663,107.10 = 161,444.20 : x
  2. Step 2: Convert to fraction form
    441,898.60/663,107.10 = 161,444.20/x
  3. Step 3: Cross multiply
    441,898.60x = 663,107.10 × 161,444.20
  4. Step 4: Simplify right side
    441,898.60x = 107,054,795,273.82
  5. Step 5: Solve for x
    x = 107,054,795,273.82/441,898.60
  6. Step 6: Final answer
    x = 242,261.00

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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.