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Finding the Fourth Proportional to 353,508.98, 487,832.58 and 192,360.29

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Solution

The fourth proportional to 353,508.98, 487,832.58 and 192,360.29 is: 265,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,508.98 : 487,832.58 = 192,360.29 : x
  2. Step 2: Convert to fraction form
    353,508.98/487,832.58 = 192,360.29/x
  3. Step 3: Cross multiply
    353,508.98x = 487,832.58 × 192,360.29
  4. Step 4: Simplify right side
    353,508.98x = 93,839,616,560.25
  5. Step 5: Solve for x
    x = 93,839,616,560.25/353,508.98
  6. Step 6: Final answer
    x = 265,451.86

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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.