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Finding the Fourth Proportional to 606,989.34, 837,640.56 and 335,057.32

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Solution

The fourth proportional to 606,989.34, 837,640.56 and 335,057.32 is: 462,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.34 : 837,640.56 = 335,057.32 : x
  2. Step 2: Convert to fraction form
    606,989.34/837,640.56 = 335,057.32/x
  3. Step 3: Cross multiply
    606,989.34x = 837,640.56 × 335,057.32
  4. Step 4: Simplify right side
    606,989.34x = 280,657,599,062.80
  5. Step 5: Solve for x
    x = 280,657,599,062.80/606,989.34
  6. Step 6: Final answer
    x = 462,376.49

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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.