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Finding the Fourth Proportional to 358,149.50, 494,103.04 and 229,058.23

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Solution

The fourth proportional to 358,149.50, 494,103.04 and 229,058.23 is: 316,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,149.50 : 494,103.04 = 229,058.23 : x
  2. Step 2: Convert to fraction form
    358,149.50/494,103.04 = 229,058.23/x
  3. Step 3: Cross multiply
    358,149.50x = 494,103.04 × 229,058.23
  4. Step 4: Simplify right side
    358,149.50x = 113,178,366,898.56
  5. Step 5: Solve for x
    x = 113,178,366,898.56/358,149.50
  6. Step 6: Final answer
    x = 316,008.73

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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.