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Finding the Fourth Proportional to 469,679.98, 648,219.46 and 263,027.06

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Solution

The fourth proportional to 469,679.98, 648,219.46 and 263,027.06 is: 363,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,679.98 : 648,219.46 = 263,027.06 : x
  2. Step 2: Convert to fraction form
    469,679.98/648,219.46 = 263,027.06/x
  3. Step 3: Cross multiply
    469,679.98x = 648,219.46 × 263,027.06
  4. Step 4: Simplify right side
    469,679.98x = 170,499,258,798.59
  5. Step 5: Solve for x
    x = 170,499,258,798.59/469,679.98
  6. Step 6: Final answer
    x = 363,011.55

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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.