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Finding the Fourth Proportional to 263,915.64, 395,867.70 and 64,237.08

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Solution

The fourth proportional to 263,915.64, 395,867.70 and 64,237.08 is: 96,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,915.64 : 395,867.70 = 64,237.08 : x
  2. Step 2: Convert to fraction form
    263,915.64/395,867.70 = 64,237.08/x
  3. Step 3: Cross multiply
    263,915.64x = 395,867.70 × 64,237.08
  4. Step 4: Simplify right side
    263,915.64x = 25,429,385,114.32
  5. Step 5: Solve for x
    x = 25,429,385,114.32/263,915.64
  6. Step 6: Final answer
    x = 96,354.22

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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.