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Finding the Fourth Proportional to 863,630.64, 1,295,134.92 and 365,033.52

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Solution

The fourth proportional to 863,630.64, 1,295,134.92 and 365,033.52 is: 547,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,630.64 : 1,295,134.92 = 365,033.52 : x
  2. Step 2: Convert to fraction form
    863,630.64/1,295,134.92 = 365,033.52/x
  3. Step 3: Cross multiply
    863,630.64x = 1,295,134.92 × 365,033.52
  4. Step 4: Simplify right side
    863,630.64x = 472,767,658,722.52
  5. Step 5: Solve for x
    x = 472,767,658,722.52/863,630.64
  6. Step 6: Final answer
    x = 547,418.81

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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.