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Finding the Fourth Proportional to 331,354.60, 497,048.30 and 94,732.12

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Solution

The fourth proportional to 331,354.60, 497,048.30 and 94,732.12 is: 142,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,354.60 : 497,048.30 = 94,732.12 : x
  2. Step 2: Convert to fraction form
    331,354.60/497,048.30 = 94,732.12/x
  3. Step 3: Cross multiply
    331,354.60x = 497,048.30 × 94,732.12
  4. Step 4: Simplify right side
    331,354.60x = 47,086,439,201.40
  5. Step 5: Solve for x
    x = 47,086,439,201.40/331,354.60
  6. Step 6: Final answer
    x = 142,102.87

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1.5x scale

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.