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Finding the Fourth Proportional to 671,375.14, 926,518.58 and 365,471.89

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Solution

The fourth proportional to 671,375.14, 926,518.58 and 365,471.89 is: 504,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,375.14 : 926,518.58 = 365,471.89 : x
  2. Step 2: Convert to fraction form
    671,375.14/926,518.58 = 365,471.89/x
  3. Step 3: Cross multiply
    671,375.14x = 926,518.58 × 365,471.89
  4. Step 4: Simplify right side
    671,375.14x = 338,616,499,782.69
  5. Step 5: Solve for x
    x = 338,616,499,782.69/671,375.14
  6. Step 6: Final answer
    x = 504,362.58

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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.