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Finding the Fourth Proportional to 330,390.30, 495,604.29 and 93,714.36

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Solution

The fourth proportional to 330,390.30, 495,604.29 and 93,714.36 is: 140,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,390.30 : 495,604.29 = 93,714.36 : x
  2. Step 2: Convert to fraction form
    330,390.30/495,604.29 = 93,714.36/x
  3. Step 3: Cross multiply
    330,390.30x = 495,604.29 × 93,714.36
  4. Step 4: Simplify right side
    330,390.30x = 46,445,238,850.60
  5. Step 5: Solve for x
    x = 46,445,238,850.60/330,390.30
  6. Step 6: Final answer
    x = 140,576.88

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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.