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Finding the Fourth Proportional to 331,489.70, 497,234.55 and 94,840.10

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Solution

The fourth proportional to 331,489.70, 497,234.55 and 94,840.10 is: 142,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,489.70 : 497,234.55 = 94,840.10 : x
  2. Step 2: Convert to fraction form
    331,489.70/497,234.55 = 94,840.10/x
  3. Step 3: Cross multiply
    331,489.70x = 497,234.55 × 94,840.10
  4. Step 4: Simplify right side
    331,489.70x = 47,157,774,445.46
  5. Step 5: Solve for x
    x = 47,157,774,445.46/331,489.70
  6. Step 6: Final answer
    x = 142,260.15

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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.