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Finding the Fourth Proportional to 667,365.44, 920,964.68 and 365,564.48

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Solution

The fourth proportional to 667,365.44, 920,964.68 and 365,564.48 is: 504,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,365.44 : 920,964.68 = 365,564.48 : x
  2. Step 2: Convert to fraction form
    667,365.44/920,964.68 = 365,564.48/x
  3. Step 3: Cross multiply
    667,365.44x = 920,964.68 × 365,564.48
  4. Step 4: Simplify right side
    667,365.44x = 336,671,974,342.57
  5. Step 5: Solve for x
    x = 336,671,974,342.57/667,365.44
  6. Step 6: Final answer
    x = 504,479.19

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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.