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Finding the Fourth Proportional to 263,564.95, 395,346.12 and 63,885.34

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Solution

The fourth proportional to 263,564.95, 395,346.12 and 63,885.34 is: 95,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,564.95 : 395,346.12 = 63,885.34 : x
  2. Step 2: Convert to fraction form
    263,564.95/395,346.12 = 63,885.34/x
  3. Step 3: Cross multiply
    263,564.95x = 395,346.12 × 63,885.34
  4. Step 4: Simplify right side
    263,564.95x = 25,256,819,463.66
  5. Step 5: Solve for x
    x = 25,256,819,463.66/263,564.95
  6. Step 6: Final answer
    x = 95,827.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.