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Finding the Fourth Proportional to 479,375.58, 661,537.50 and 264,515.48

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Solution

The fourth proportional to 479,375.58, 661,537.50 and 264,515.48 is: 365,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,375.58 : 661,537.50 = 264,515.48 : x
  2. Step 2: Convert to fraction form
    479,375.58/661,537.50 = 264,515.48/x
  3. Step 3: Cross multiply
    479,375.58x = 661,537.50 × 264,515.48
  4. Step 4: Simplify right side
    479,375.58x = 174,986,909,350.50
  5. Step 5: Solve for x
    x = 174,986,909,350.50/479,375.58
  6. Step 6: Final answer
    x = 365,030.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.