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Finding the Fourth Proportional to 301,266.72, 415,575.36 and 187,892.64

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Solution

The fourth proportional to 301,266.72, 415,575.36 and 187,892.64 is: 259,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,266.72 : 415,575.36 = 187,892.64 : x
  2. Step 2: Convert to fraction form
    301,266.72/415,575.36 = 187,892.64/x
  3. Step 3: Cross multiply
    301,266.72x = 415,575.36 × 187,892.64
  4. Step 4: Simplify right side
    301,266.72x = 78,083,551,509.35
  5. Step 5: Solve for x
    x = 78,083,551,509.35/301,266.72
  6. Step 6: Final answer
    x = 259,184.13

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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.