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Finding the Fourth Proportional to 471,698.88, 650,936.03 and 256,835.04

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Solution

The fourth proportional to 471,698.88, 650,936.03 and 256,835.04 is: 354,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,698.88 : 650,936.03 = 256,835.04 : x
  2. Step 2: Convert to fraction form
    471,698.88/650,936.03 = 256,835.04/x
  3. Step 3: Cross multiply
    471,698.88x = 650,936.03 × 256,835.04
  4. Step 4: Simplify right side
    471,698.88x = 167,183,180,018.32
  5. Step 5: Solve for x
    x = 167,183,180,018.32/471,698.88
  6. Step 6: Final answer
    x = 354,427.77

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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.