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Finding the Fourth Proportional to 607,805.30, 838,821.83 and 335,926.28

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Solution

The fourth proportional to 607,805.30, 838,821.83 and 335,926.28 is: 463,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,805.30 : 838,821.83 = 335,926.28 : x
  2. Step 2: Convert to fraction form
    607,805.30/838,821.83 = 335,926.28/x
  3. Step 3: Cross multiply
    607,805.30x = 838,821.83 × 335,926.28
  4. Step 4: Simplify right side
    607,805.30x = 281,782,297,352.12
  5. Step 5: Solve for x
    x = 281,782,297,352.12/607,805.30
  6. Step 6: Final answer
    x = 463,606.18

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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.