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Finding the Fourth Proportional to 605,887.90, 836,120.68 and 333,956.32

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Solution

The fourth proportional to 605,887.90, 836,120.68 and 333,956.32 is: 460,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,887.90 : 836,120.68 = 333,956.32 : x
  2. Step 2: Convert to fraction form
    605,887.90/836,120.68 = 333,956.32/x
  3. Step 3: Cross multiply
    605,887.90x = 836,120.68 × 333,956.32
  4. Step 4: Simplify right side
    605,887.90x = 279,227,782,443.51
  5. Step 5: Solve for x
    x = 279,227,782,443.51/605,887.90
  6. Step 6: Final answer
    x = 460,857.17

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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.