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Finding the Fourth Proportional to 654,860.82, 903,701.43 and 364,467.54

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Solution

The fourth proportional to 654,860.82, 903,701.43 and 364,467.54 is: 502,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,860.82 : 903,701.43 = 364,467.54 : x
  2. Step 2: Convert to fraction form
    654,860.82/903,701.43 = 364,467.54/x
  3. Step 3: Cross multiply
    654,860.82x = 903,701.43 × 364,467.54
  4. Step 4: Simplify right side
    654,860.82x = 329,369,837,086.58
  5. Step 5: Solve for x
    x = 329,369,837,086.58/654,860.82
  6. Step 6: Final answer
    x = 502,961.59

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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.