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Finding the Fourth Proportional to 263,887.08, 395,830.89 and 64,207.46

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Solution

The fourth proportional to 263,887.08, 395,830.89 and 64,207.46 is: 96,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,887.08 : 395,830.89 = 64,207.46 : x
  2. Step 2: Convert to fraction form
    263,887.08/395,830.89 = 64,207.46/x
  3. Step 3: Cross multiply
    263,887.08x = 395,830.89 × 64,207.46
  4. Step 4: Simplify right side
    263,887.08x = 25,415,294,057.29
  5. Step 5: Solve for x
    x = 25,415,294,057.29/263,887.08
  6. Step 6: Final answer
    x = 96,311.25

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1.5x scale

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.