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Finding the Fourth Proportional to 229,078.74, 343,628.91 and 189,023.43

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Solution

The fourth proportional to 229,078.74, 343,628.91 and 189,023.43 is: 283,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,078.74 : 343,628.91 = 189,023.43 : x
  2. Step 2: Convert to fraction form
    229,078.74/343,628.91 = 189,023.43/x
  3. Step 3: Cross multiply
    229,078.74x = 343,628.91 × 189,023.43
  4. Step 4: Simplify right side
    229,078.74x = 64,953,915,215.36
  5. Step 5: Solve for x
    x = 64,953,915,215.36/229,078.74
  6. Step 6: Final answer
    x = 283,544.06

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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.