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Finding the Fourth Proportional to 374,093.64, 515,880.50 and 230,823.27

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Solution

The fourth proportional to 374,093.64, 515,880.50 and 230,823.27 is: 318,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,093.64 : 515,880.50 = 230,823.27 : x
  2. Step 2: Convert to fraction form
    374,093.64/515,880.50 = 230,823.27/x
  3. Step 3: Cross multiply
    374,093.64x = 515,880.50 × 230,823.27
  4. Step 4: Simplify right side
    374,093.64x = 119,077,222,785.12
  5. Step 5: Solve for x
    x = 119,077,222,785.12/374,093.64
  6. Step 6: Final answer
    x = 318,308.60

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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.