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Finding the Fourth Proportional to 263,567.76, 395,348.14 and 63,889.90

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Solution

The fourth proportional to 263,567.76, 395,348.14 and 63,889.90 is: 95,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,567.76 : 395,348.14 = 63,889.90 : x
  2. Step 2: Convert to fraction form
    263,567.76/395,348.14 = 63,889.90/x
  3. Step 3: Cross multiply
    263,567.76x = 395,348.14 × 63,889.90
  4. Step 4: Simplify right side
    263,567.76x = 25,258,752,221.28
  5. Step 5: Solve for x
    x = 25,258,752,221.28/263,567.76
  6. Step 6: Final answer
    x = 95,834.00

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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.