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Finding the Fourth Proportional to 358,194.92, 493,969.73 and 229,174.23

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Solution

The fourth proportional to 358,194.92, 493,969.73 and 229,174.23 is: 316,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,194.92 : 493,969.73 = 229,174.23 : x
  2. Step 2: Convert to fraction form
    358,194.92/493,969.73 = 229,174.23/x
  3. Step 3: Cross multiply
    358,194.92x = 493,969.73 × 229,174.23
  4. Step 4: Simplify right side
    358,194.92x = 113,205,130,046.21
  5. Step 5: Solve for x
    x = 113,205,130,046.21/358,194.92
  6. Step 6: Final answer
    x = 316,043.37

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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.