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Finding the Fourth Proportional to 479,625.64, 661,883.49 and 264,765.85

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Solution

The fourth proportional to 479,625.64, 661,883.49 and 264,765.85 is: 365,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,625.64 : 661,883.49 = 264,765.85 : x
  2. Step 2: Convert to fraction form
    479,625.64/661,883.49 = 264,765.85/x
  3. Step 3: Cross multiply
    479,625.64x = 661,883.49 × 264,765.85
  4. Step 4: Simplify right side
    479,625.64x = 175,244,144,830.82
  5. Step 5: Solve for x
    x = 175,244,144,830.82/479,625.64
  6. Step 6: Final answer
    x = 365,376.93

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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.