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Finding the Fourth Proportional to 294,589.92, 406,687.92 and 229,920.24

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Solution

The fourth proportional to 294,589.92, 406,687.92 and 229,920.24 is: 317,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,589.92 : 406,687.92 = 229,920.24 : x
  2. Step 2: Convert to fraction form
    294,589.92/406,687.92 = 229,920.24/x
  3. Step 3: Cross multiply
    294,589.92x = 406,687.92 × 229,920.24
  4. Step 4: Simplify right side
    294,589.92x = 93,505,784,171.50
  5. Step 5: Solve for x
    x = 93,505,784,171.50/294,589.92
  6. Step 6: Final answer
    x = 317,409.99

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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.