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Finding the Fourth Proportional to 353,169.80, 487,370.88 and 192,024.85

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Solution

The fourth proportional to 353,169.80, 487,370.88 and 192,024.85 is: 264,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,169.80 : 487,370.88 = 192,024.85 : x
  2. Step 2: Convert to fraction form
    353,169.80/487,370.88 = 192,024.85/x
  3. Step 3: Cross multiply
    353,169.80x = 487,370.88 × 192,024.85
  4. Step 4: Simplify right side
    353,169.80x = 93,587,317,689.51
  5. Step 5: Solve for x
    x = 93,587,317,689.51/353,169.80
  6. Step 6: Final answer
    x = 264,992.42

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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.