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Finding the Fourth Proportional to 353,524.83, 487,874.54 and 192,390.27

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Solution

The fourth proportional to 353,524.83, 487,874.54 and 192,390.27 is: 265,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,524.83 : 487,874.54 = 192,390.27 : x
  2. Step 2: Convert to fraction form
    353,524.83/487,874.54 = 192,390.27/x
  3. Step 3: Cross multiply
    353,524.83x = 487,874.54 × 192,390.27
  4. Step 4: Simplify right side
    353,524.83x = 93,862,313,514.77
  5. Step 5: Solve for x
    x = 93,862,313,514.77/353,524.83
  6. Step 6: Final answer
    x = 265,504.16

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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.