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Finding the Fourth Proportional to 293,654.52, 405,411.12 and 193,344.12

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Solution

The fourth proportional to 293,654.52, 405,411.12 and 193,344.12 is: 266,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,654.52 : 405,411.12 = 193,344.12 : x
  2. Step 2: Convert to fraction form
    293,654.52/405,411.12 = 193,344.12/x
  3. Step 3: Cross multiply
    293,654.52x = 405,411.12 × 193,344.12
  4. Step 4: Simplify right side
    293,654.52x = 78,383,856,234.61
  5. Step 5: Solve for x
    x = 78,383,856,234.61/293,654.52
  6. Step 6: Final answer
    x = 266,925.42

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1.5x scale

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.