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Finding the Fourth Proportional to 607,309.62, 838,077.75 and 335,370.75

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Solution

The fourth proportional to 607,309.62, 838,077.75 and 335,370.75 is: 462,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,309.62 : 838,077.75 = 335,370.75 : x
  2. Step 2: Convert to fraction form
    607,309.62/838,077.75 = 335,370.75/x
  3. Step 3: Cross multiply
    607,309.62x = 838,077.75 × 335,370.75
  4. Step 4: Simplify right side
    607,309.62x = 281,066,763,575.81
  5. Step 5: Solve for x
    x = 281,066,763,575.81/607,309.62
  6. Step 6: Final answer
    x = 462,806.37

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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.