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Finding the Fourth Proportional to 263,566.53, 395,346.30 and 63,888.72

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Solution

The fourth proportional to 263,566.53, 395,346.30 and 63,888.72 is: 95,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,566.53 : 395,346.30 = 63,888.72 : x
  2. Step 2: Convert to fraction form
    263,566.53/395,346.30 = 63,888.72/x
  3. Step 3: Cross multiply
    263,566.53x = 395,346.30 × 63,888.72
  4. Step 4: Simplify right side
    263,566.53x = 25,258,169,063.74
  5. Step 5: Solve for x
    x = 25,258,169,063.74/263,566.53
  6. Step 6: Final answer
    x = 95,832.23

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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.