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Finding the Fourth Proportional to 440,995.32, 608,759.75 and 297,949.11

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Solution

The fourth proportional to 440,995.32, 608,759.75 and 297,949.11 is: 411,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,995.32 : 608,759.75 = 297,949.11 : x
  2. Step 2: Convert to fraction form
    440,995.32/608,759.75 = 297,949.11/x
  3. Step 3: Cross multiply
    440,995.32x = 608,759.75 × 297,949.11
  4. Step 4: Simplify right side
    440,995.32x = 181,379,424,226.58
  5. Step 5: Solve for x
    x = 181,379,424,226.58/440,995.32
  6. Step 6: Final answer
    x = 411,295.58

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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.