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Finding the Fourth Proportional to 264,297.76, 396,446.64 and 64,615.77

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Solution

The fourth proportional to 264,297.76, 396,446.64 and 64,615.77 is: 96,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,297.76 : 396,446.64 = 64,615.77 : x
  2. Step 2: Convert to fraction form
    264,297.76/396,446.64 = 64,615.77/x
  3. Step 3: Cross multiply
    264,297.76x = 396,446.64 × 64,615.77
  4. Step 4: Simplify right side
    264,297.76x = 25,616,706,151.88
  5. Step 5: Solve for x
    x = 25,616,706,151.88/264,297.76
  6. Step 6: Final answer
    x = 96,923.66

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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.