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Finding the Fourth Proportional to 330,607.44, 495,914.58 and 130,976.64

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Solution

The fourth proportional to 330,607.44, 495,914.58 and 130,976.64 is: 196,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,607.44 : 495,914.58 = 130,976.64 : x
  2. Step 2: Convert to fraction form
    330,607.44/495,914.58 = 130,976.64/x
  3. Step 3: Cross multiply
    330,607.44x = 495,914.58 × 130,976.64
  4. Step 4: Simplify right side
    330,607.44x = 64,953,225,415.41
  5. Step 5: Solve for x
    x = 64,953,225,415.41/330,607.44
  6. Step 6: Final answer
    x = 196,466.31

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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.